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1.
A way to express how fucked up you are in a manner that is as fucked up as you are. Fuktup being more percussive resembles the lazy-tongued hard-syllabled speech a drunk person would have. To you, a drunk person is fucked up. To him, "I'm fuggin fuktup!".
630:Hey man. How's that party?

217:I'M SOOOOOOOO FUKTUP!

630:I'll be there in 10.
by Blender Fuck February 03, 2011