7
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!
via giphy
by Blackhole Sum October 25, 2018
Get the mug
Get a Wet Billy mug for your brother Manley.
8
To orally lubricate one's own finger with saliva and insert into another person's anus. Similar to a Wet Willy, but in the B-hole.
Rob gave Scott a Wet Billy.
by MTOny March 09, 2021
Get the mug
Get a Wet Billy mug for your boyfriend Georges.

Activity