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3.
A mans love lance or spam javelin, used for urine and semen despatch.
My wank was of epic proportions, my old boy was like a wee custard chucker
by sam April 05, 2004
 
1.
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
 
2.
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