a knife, used to bore a whole into some one or soemthing.

Came from south London
"yo back up before i use my borer to drill you out"
by rap2death July 10, 2005
Get the borer neck gaiter and mug.
A male Homosexual, Queer or Gay.
"That guy doesn't like women, he's a right Butt Borer"
by Adam FJ January 24, 2008
Get a Butt Borer mug for your brother Jerry.
Having sex under a dead ash tree in Detroit. The trees are in abundance and were killed because of the Emerald Ash Borer.
That guy is an Emerald Ass Borer, he likes to do it in the car under that dead ass tree in Detroit.
by Matt from MA June 26, 2008
Get a Emerald Ass Borer mug for your daughter Jovana.
A knife used by roadmen in London to bore a hole in someone
Back off before I fucking cut you open with my borer
by White phosphorus December 10, 2020
Get the Borer neck gaiter and mug.
A knife used by roadmen in London to bore a hole in someone
Back off before I fucking cut you open with my borer
by White phosphorus December 10, 2020
Get a Borer mug for your brother-in-law Manafort.