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Slang name for the male Penis.
"And so that's his (the horse) Talleywacker?"

"His Talleywacker was rather grotesque"
by Keith Lemons July 12, 2008
A person who carelessly masturbates.ie wacker
"yo man.. I went to Chads house and that talley wacker was walking around with it in his hand!"
by Kevin w.s December 07, 2007