To be so drunk that one no longer is capable of normal thought processes.
Why can’t he talk? “Bro he’s flakked”
In the Unreal series of fps games, the act of spraying Flak cannon, rocket launcher, Instagib, or Biorifle shots over a large object or past a blind corner in the hope that such fire will cause a frag. Usually practiced by newbs and llamas.
Player: FFS stop flakking down the main corridor! You're just blocking the main access to the ball room!
Flak is slang for any type of jacket. This can be a hooded or unhooded but it must be a jacket, it does not refer to jumpers.
James:Blud its cold out init
Me:Good observation my friend could you pass me my flak then to conserve my warmth?
James:Wagwan cool yeh safe one wun up here you go
the proccess of using a male or female's pubic hairs to floss one's teeth
Rob had some gunk in his teeth late at night so instead of walking to the bathroom he just flakked with Ingrid.
When a girls ass is hanging out of her short shorts. Under boob for Ass.
Damn look at the flak on that girl!