Wet Billy 

Licking your finger and sticking it in someones belly button.

I'm gonna give that chick a wet billy.

Wet Billy by FabricFresh June 15, 2016

Wet Billy 

When you suck your finger, make it really slobbery and stick it in a persons bellybutton.

I'm going to give him such a big Wet Billy if he spits in my food again! >:@

Wet Billy by ColdSauce October 4, 2010

wet billy 

the act of cumming in another persons ear. ejaculating in someones ear. like a wet willy only with cum.

He passed out at the party so that guy gave him a "wet billy"
He missed her face with his money shot and ended up giving her a "wet billy"

wet billy by Anjo2010 June 29, 2009

Wet Billy 

V. Ejaculating on another man's penis or boxers at night to make him think he had a wet dream.

Victim: I always have wet dreams when I sleep over.

Asshole: No bitch, you have Wet Billys.

Wet Billy by no beard January 12, 2009

Wet Billy 

A common cousin of the wet willy, the wet billy is when a salivated finger is inserted into the anus, instead of the ear.

That girl in the skirt going commando at the party is highly likely to receive a wet billy tonight.

Wet Billy by TDIBSack October 23, 2009

Wet Billy 

The act of blowing your load on your partner's back, then proceeding to scoop some up with your finger and stick your finger in her ear. The ultimate Wet Willy.

After I gave my wife a Wet Billy, she had to go to her E.N.T. doctor to have her ear cleaned out.

Wet Billy by Heady McBigBig September 11, 2011

Wet Billy 

When you lick your finger and stick it in your friends beer.

Tom gave Eric a wet billy last night at the bar.
Or
If you give me a wet billy on this ten dollar beer you're gonna get your ass kicked!

Wet Billy by Blackhole Sum October 25, 2018