Ok, so below is a list of English slang words, these words are commonly used in the English Vocabulary, Just figured it'd be useful. Feel free to post words I've forgotton/missed out. The Phrases and How to use the words in sentances will be added later on when I get more time.
A
Ace- Excellent/Wonderful
Airy Fairy- Lacking in strength/insubstantial
Airhead- A stupid person
All mouth and no trousers- Boastful and not willing to back themselves up.
All over the shop- In a mess
Ankle Biters- Babies/young children
B
Backhander- bribe
Bacon Sarnie- Bacon sandwich
Bad egg- a corrupt or untrustworthy person
Badger- to bother incessantly
Bananas- insane/mad/hysterical
Bang out of order- Completely unacceptable
Bang to rights- Caught red handed
Banged up- Put in prison
Barf- Vomit
Barmy- Mad/crazy/insane
Bat for both sides- bisexual
Bat for the other team- homosexual
Bathers- Swimming costume/suit
Bellyache- To complain
Belly up- To fail
Bender- excessive ammounts of drinking
Bend someones ear- to talk excessively
Berk- an idiot
Better half- husband/wife
Bevvy- an alcoholic drink
Bevvied up- drunk
Billy no mates- to have no friends
Bimbo- A young attractive, empty headed woman
Bit of alright- Something excellent
Blabbermouth- someone who reveals too much in conversation/a gossip
Blag- To use clever wording to trick something from someone
Blow a fuse- To be angry
Bodge job- a job done poorly
Brummie- a native of Birmingham
Butch- tough looking, masculine
Butty- a sandwich
C
Cack- rubbish/nonsense
Cake hole- Mouth
Can't be arsed- can't be bothered
Chav- A person, usually of poorly educated, working class origin, who dresses in designer sportswear and vulger jewelry.
Chavette- A female version of a chav
Cheap as chips- extremely cheap
Cheers- thank you
Chew the fat- to chat
chewy- chewing gum
Chicken- A wimp
Chill- to relax
Chucking out time- The time when a pub closes
Chuffed- Pleased/delighted
Chump- A fool
Cig/Ciggy- a cigarette
Clap- Gonorrhoea
Clobber- Clothes and personal belongings
Crackpot- An insane or eccentric person
D
Dead- very (E.g. 'Our holiday was dead good')
Diss- to disrespect/ridicule/insult
Do a bunk- to leave hurriedly
Drama Queen- someone who makes excessive fuss over a situation
E
Eager beaver- an enthusiastic person
Earache- Incessant complaining or talking
Earwig- to eavesdrop
F
Faceache- a miserable person
Faff- to fuss
Fancy- to like or desire
Fit- attractive
Funky- Exuberantly Fashionable
G
Gander- A look
Gawp- To stare at obtrusively
Git- an idiot or contemptible person
Give over- stop it
Glad-rags -Someones finest clothes
Gordon Bennett!- An exclamation of anger or suprise
Gut-rot -Stomach ache
H
Hand me downs- Clothes passed onto younger family members
Hang about- hold on a moment
Have a screw loose- To be a little insane or eccentric
Have a whack at it- To have a go at something
Have it- To go for it
Hyper- over excited
I
Ice- diamonds/jewellery
icky- Gooey or sticky/something unpleasant
Iffy- something suspicious
J
Jack it in- Stop doing something
Jammies- Pyjamas
Jammy- Lucky
Jammy Dodger- A lucky person
Jessie- a feeble, easily scared person, a softy
Jiffy- a moment
K
Kecks/kegs- trousers
Keen as Mustard- very enthusiastic
keep your hair on- Calm down
Keep it zipped- Keep your mouth shut
Kit- clothes
Knackered- Tired/worn out
Knackering- tiring/exhausting
Knock it off- Stop it
Knock up- To make someone pregnant
Kushty- Excellent/fine/Ok
L
Lairy- Cheeky or brash
Lark- An activity that is considered a waste of time
Lav- a toilet
Lay one on someone- to hit someone
Lead up the garden path- to mislead someone
Leathered- drunk
Leave it out!- Stop it
Legless- Very drunk
Lemon- A fool/idiot
Like a rat up a drainpipe- Very quickly
Lippy- Mouthy/Cheeky
Loony bin- Mental institution
Lose the plot- be confused
M
Made up- Happy/Very satisfied
Maggot- A despicable, devious person
Make it snappy- do it quickly
Manky- Disgusting
Mate- a friend
Mickey taking- Teasing/Ridiculing
Miffed- Annoyed/peeved
Mouth off- to talk loudly and without thought
N
Naff- Unfashionable
Naffed off- Annoyed/depressed
Naff off- Get lost
Narky- annoyed/moody/upset
Nice one- a general expression of approval
Nod off- fall asleep
Nuff said- nothing more to say
Nutcase- A lunatic
O
Old man- Father/boyfriend/husband
On one- Acting in a crazed way
On the rob- act of thieving
P
Paddy- A rage or tantrum. Also a nickname for an Irish person
Pants- nonsense
Plonker- A fool/idiot
Preggers- pregnant
Pub Crawl- a tour of several pubs in the course of one night
Punch someone's lights out- To beat someone up
Q
R
Retard- A comtemptible person
Rip off- Something that's unreasonably priced
Rosie Lee- Tea
S
Safe!- an expression of agreement/thanks
Scouser- Someone from Liverpool
Scrap- a fight or quarrel
Shake a leg- hurry up
Shove off- Go away
Skank- someone who is disgusting
Skivvies- Underwear
Smart-arse -Someone who smuggly displays intelligence
Snitch- to inform on someone
Snotty- over proud and conceited
Sod-all -nothing
Sod it- An exclamation of contempt or frustration
Sod off- Go away, leave
Sorted- brilliant/excellent
Sound- Ok
Spread it on thick- to exaggerate
Sprog- A child
Spud- A potato
Stroppy- Bad tempered
T
Ta!- Thank you
Taffy- A welsh person
Ta-ta -Goodbye
Thick ear- A slap around the head
This arvo/avvy- This afternoon
Top dog- the leader/boss
Tree hugger- an enviromentalist
U
V
W
Wacko- crazy/insane
Wasted- Very drunk
Whats cooking?- Whats happening?
Whinge- To persistantly complain in an irritating manner
Whoop-di-do -A sarcastic expression of joy
Wicked- Fantastic/excellent
Word- I agree
Wotcha- A greeting
Wrong 'un- A bad person
Wuss- a feeble person
X
Y
Z
Zilch- Nothing/Zero
Zip it- Stop talking
Zit- A spot/pimple
Zonked- Worn out/tired
Z's- Sleep