The act of ejaculating and letting it run from the top all the way down to the bottom of the shaft of your penis and then shoving it in your unsuspecting partner's mouth.
John says; wow last night I gave my girlfriend a Wet Willy Nelson after a sensual 45 minute round of masterbation. She vomited profusely for 7 minutes, and then came back for round 2!!!
by Dartamisprime April 17, 2019

When a man is receiving oral sex, instead of finishing in her mouth, the man pulls out and puts his penis in her ear and finishes.
by Papa Skeet Skeet March 2, 2011

It's when a female is performing oral sex on a male, or male on male..., and just as the male is about to ejaculate he sticks his penis in the performers ear -wet willy- and ejaculates all in their ear.
by Chris Davids April 29, 2007

The act of sticking your finger into someone else's ear, then putting that finger into your own mouth.
After the class bully made fun of Johnny for not being able to read, he retaliated by giving his tormentor a dyslexic wet willy. Just like reading, this also did not work out too well for Johnny.
by PaintItSparkles April 26, 2013

when a baby slobbers all over their pacifier or finger and inserts it into an unsuspecting person's ear.
by tonys*gurl83 November 5, 2011

by Harthroth November 8, 2019

When two people are having sex (doggy style) and the one in the back puts their pinky in their mouth and proceeds to give their partner a "wet willy" while the long, thrusting.
I was hittin it from the back, and I noticed I had some chip crums on my finger , so I licked it clean and thought to myself, "hey its the perfect time for a extra wet willy!"
by Wet&wild69 November 12, 2017
