3 definitions by Big Hungry Iain, Fairdown.

To indulge in condomless Anal Sex with a loving companion, wife or casual acquaintance of indeterminate sexual preference and/or rather questionable morality.
"I say it's starting to smell likes it drying out back there" quieried young Oscar presently.
"Don't you worry my lad, you Brown the Chicken very nicely I assure you and I feel the basting coming on soon enough" replied the Arch Deacon of Tilfords Pump.

Excerpt taken from The Legend of Paul Whicker the tall Vicar, Fallen Angel Press, Soho, London. 1888.
Get the Brown the Chicken mug.
Acronym for Fucked If I Know. A possible reply to be asked a question regarding a matter outside one's field of training or experience or actual interest. Usually used in exasperation at the pointlessness of the inquiry.
Office Girl : Oi, there you are. So what does this F.I.I.K you keep putting in the delivery time column actually stand for?
Truck Driver: Fucked if I know.
Office Girl: No need to be rude about it ya prick.
Get the F.I.I.K mug.
Ranging from pretty dire,bad,sad pathetic to totally effing shit. Without chance or hope of redemption.
"Man this hooter is vile Illingsworth. Is the Westport drug scene really as Uberkrappen as Lonely Planet suggests?"
Get the uberkrappen mug.