A billy is synonymous with a very close friend or buddy. Usually billies hang out and partake in the injestion of cannabis and/or alcohol.
"Lets have a fuckin' billy night, with the billies"!
"What did you do last night "?
"I was with the billies. We did billy things".
"What?
"Not sure".
"What did you do last night "?
"I was with the billies. We did billy things".
"What?
"Not sure".
by Therealbilly August 18, 2017

The embodiment of fuck bitches get money
by Fuccinduccin January 20, 2021

by Billeh12345678910 January 22, 2019

After matt came into a Billy Bear Ham he decided the best way to get rid of it was to make a sandwich thus BIlly Bear Hamming
by Nickly12 March 11, 2022

by okuuuuy March 18, 2024

by The bop 2794 November 25, 2021

“Billy window” is a phrase used to define only the large genitalia having males who tend to shag girls called “Emily”
“Hey did you hear bout Tyrone and emily? Yh they slept together”, “I’m not surprised, he’s such a billy window”
by Indiasfinest December 4, 2019
