A male penis, speficially describing the penis during ejaculation.
Beat my custard chucker like it owes you money and open wide, beeyotch!
by The Drizzle January 25, 2005
When a Man Jacks-Off in his hand and throws it itb someone's face. Mostly a Game played by College studants.
"Oww, my eye... You fucking custard chucker!"
by Immortal-Jake May 09, 2006