Billy

a complete fucking idiot. someone who has no idea what they're talking about, and is a serial compulsive liar. Usually that guy that follows every one else around and nobody really knows why he's there.

"i fell walking up the stairs today"

"way to go billy"

by Niggii August 19, 2011

a billy

a sick freak who tends to claim his toilet overflowed, but really he is a psycho who pisses and shits on his own floor. He will tend to live in these conditions for a semester or two of college. There may also be notorious trash strewn throughout his room along with bits of chewing tobacco.

person #1 "eww gross"
person #2 "yeah man don't be a billy"

by woofwoof543 April 10, 2011

Billy

Another word for a mobile phone. Mainly used in north Dublin

Let me use your billy to ring someone

by F123 October 23, 2008

billy

A brick head

oh no he got hit with a brick
you mean billy

by patrimoo May 8, 2016

billy

To drink directly from a shared container.

Hey, you stump! Quit billying the milk!

Did you billy the orange juice?

by JessicaEst December 23, 2006

billy

weird guy that works at dagastinos
likes fat blonde chicks
duck like
very outgoing

hi ma'am my name is billy how may i help you today.

by erec shawn February 3, 2012

Billy

Verb: To "like" random girl's truth is status in an attempt to get their number and talk to them.

Jack: "Did you just see Connor?"
Bruce: "Yeah, the tool pulled a total Billy."

by Jared Greases his Trailer June 1, 2011