When you have been pounding some scrullet with a smelly pussy all night and the next day your balls smell like fish.
"Man that bitch had such a smelly pussy I woke up with fish balls"
by Eagan March 21, 2007
Yu-han Chiang or other Yu's. When Yu-han is added to Donald, it creates Yu-don, which sounds like Fishball in Cantonese.
Yu-han is a fishball, curry fishball.
by Francis Bacon July 11, 2006