When one's sex partner sucks on an ice cube, drastically lowering the temperature of their mouth and tongue, prior to giving you oral sex.
LaFawnduh gave me a chilly willy in the bathroom on the bus to Detroit.  That's when I knew I was gonna marry her.
by dcf68 June 26, 2006
 Get the chilly willymug.
Get the chilly willymug. by Nick Sorosky March 18, 2008
 Get the dingleberrie willymug.
Get the dingleberrie willymug. by Wesely fan #1 June 17, 2003
 Get the Wesely Willismug.
Get the Wesely Willismug. by busterboner August 28, 2009
 Get the bent willymug.
Get the bent willymug. by B.A47 February 11, 2009
 Get the Silly Williemug.
Get the Silly Williemug. when having anal sex doggystyle, you proceed to donkey punch your partner, then pull your penis out of their ass and stick it in their ear
While having sex with some freak< tony decided to give her a brown willy instead of a dirty sanchez.
by dirty bonz November 5, 2006
 Get the brown willymug.
Get the brown willymug. pulling down your pants and shouting anyone want be my willy wacker only bad thing is some people will kick you in the balla ouch that got hurt
by Sex vibe July 7, 2018
 Get the Willy wackermug.
Get the Willy wackermug.