billy 

short for billboards. as in to write graffiti artwork on.

Hey dude
whats up?
did you see that billy i hit?
the one with the black and silver throwie?
yeah
yeah, that shit was sick.

billy by Jacks c.v.st March 26, 2011

billy 

ASSHOLE , someone you can talk to sometimes, likes dirty and fast girls(Noemi she was ugly anyway ), he likes pot heads(Bella she was a bitch and game me a dirty look) , Likes pretty, nice, funny, horse back riders, (Bree for 2 seconds until she hit him with the 6 months ) hes also the type of person that will do anything for his wonderful loving cousin that loves him dearly that annoys him all the time but would do anything for him.

Billy is a manhoe but i love him anyway and he is also a twat.

billy by idunnowhatthatmeans January 10, 2017

billy 

Large burly man usually gifted with properly placed genital warts.

Billy was amazing last night. His gifted member knocked my man right out of the boat.

billy by Pony boy 1975 December 22, 2016

Billy 

billy is a guy with the biggest penis in the world... He shlong is over 20 meters if you ever meet a billy run. But overall he is a good bastard

Big bowside billy has a huge willy

Billy by Nickkkkyy February 6, 2017

Billy 

Has a monster cock and is the greatest at card games.

Oh billy, you beat me again!

Billy by NameDefiner69er February 21, 2017

billy 

a fat stinkin crossed eyed male who roles in their own shit all day long looking for a girlfriend.

hey! get up on your ass and stop being a billy.

billy by dr. qqwd22SSSSde March 7, 2017

Billy 

Is mostly common name for dumbasses that usually have a very small genital area and does not attract women.

OMG there's billy.....

Billy by Deeznutzx June 17, 2018