D

dead cert - something that is definite.

deck: to hit someone.

dicey: unpredictable; risky.

dickhead [slightly offensive] - an idiot, fool.

dill : an idiot.

ding-dong - argument or fight.

dipstick - idiot, fool.

dirt: extremely bad person.

dirty: offensive; pornographic.

doodle - something thats easy / no problem.

dodgy - dubious person or thing.

dog [offensive] - an ugly girl.

done over - beaten up

dope - a slow or stupid person.

doobry - a nonsensical word used when you forget the name of something

dorky: strange; peculiar.

down under : Australia and New Zealand.

dude: a male.

dyke [offensive] - lesbian.

dynamite: powerful; excellent.

dinosaur: something out of date or old fashioned.

E

earbashing : nagging, non-stop chatter.

evil: great; excellent.

eyeball: to stare long and hard at someone or something.

eyepopper: something or someone visibly astounding.

F

fab: fabulous.

face-off: confrontation.

fag (2): cigarette

family jewels - Rhyming Slang for testicles.

far out - splendid.

fart [offensive] (1): an escape of gas from the bowels.

fart [slightly offensive] (2): an unpleasant person

fat head - an idiot or dull person.

fender-bender: small accident.

filth [offensive] - the police.

fit - sexually attractive.

five finger discount - shoplifting.

flaky: unpredictable.

flashback: sudden memory.

flick (1): film; movie.

flick (2): to give something or somebody the flick is to get rid of it or him/her

floating : intoxicated

floozie - a mistress or girlfriend.

flutter - a bet (on horse racing or football)

footie - Abbreviated form for football.

for crying out loud ! - a expression of frustration or anger.

forty winks - a short sleep or nap.

fox: attractive, alluring person.

freebie: something that does not cost money.

French kiss : kissing with the tongue.

full monty - 'the whole lot', everything.

full-on - powerful, with maximum effort.

funny farm - mental hospital or institution.

funny money - counterfeit money.