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1.
A PG way to say fucked up. Good for situations when parents or religious people are in the room.
Mom, this casserole is fup duck.

Joey fell off his bike, now his leg is fup duck.
by mecaro October 16, 2005

Words related to fup duck

awful busted fucked messed up screwed up
 
2.
Fuhk-duhp : Originally Fuped Uck, Fupduck is another way of saying "Fucked Up".
"That was a COLOSSAL fupduck thing to do, you moist bit.
by Pauldo July 21, 2008