Top definition
An alternate word for the commonly used words for a man's genitailia such as, "wang" or "dick".
and brice patted the crotch of his pants just to be sure that his toonanni was still up and running.

And Brutus pulled out his toonanni and stroked it with great ease.
by Becky Slutter January 27, 2004
Get the mug
Get a toonanni mug for your buddy Beatrix.