An abbreviation of the forever classy term, fuck knuckle.
A certified dip shit.
A definite dense cunt.
One whose personality just so happens to resemble a twat waffle, if you will.
Listen here, you damn dirty fuk nuk. If you don't shut the fuck up right here and now then I'm going to have to slam your sister right in her shit chute just to show you which one of us is the true alpha dog.
A sarcastic way to say "fuck you". Mostly used on chat services such as IRC and other sites that have chats. It's not meant to be taken seriously, so keep this in mind.
Person 1: Wow this is so stupid Person 2: fuk u
Person 1: no u
1. The opposite of good fengsui. 2. When the layout of something is all jacked up. 3. A flow of a room causes you aggravation because nothing is easily available.
Johnny: Why did they put the coffee pot in the corner of the cafeteria?
Liam: I know, it's so fuk schwa, right?!