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Spitting on your penis and putting it in another persons ear.
You will not believe what just happened, Dave gave Jan a Willy Pete!
by titsmagee2234 November 11, 2010
Willy Pete is military jargon for white phosphorous. It has now become a popular term among teenagers since it's use as the name for a smoke grenade in Call of Duty: Black Ops.

Also, two names for a man's manhood.
Wow, he just nailed her with his Willy Pete!

(That example works for both uses of the term. Just to clarify.)
by BlakeShaw November 14, 2010
the act of blowing smoke into a woman's face while you're busting on her face at the same time. Leaving her as if she had been hit by a Willy Pete smoke grenade.
"OMG! Me and Kris we're trying some new things out last night and he gave me a Willy Pete! I was so pissed! But i kinda got a contact high."
by Kristofer Jackson November 30, 2011
The act of shitting in anothers mouth, then them returning the favor by putting it back inside your ass via AssToMouth
I got a Willy Pete from Robbie Ransom last night
by like50somalians November 22, 2010