100 refers to the state of keeping it real or being completely honest about a situation. Gun it refers to destroying something. Therefore to 100 or gun it means that either you keep it real or prepare to die.
by ministryoftruth December 19, 2011

Cock, dick, prick, weiner, putz, dong, bell rope, etc. Punning on an old advertisement for a brand of chewing gum with a liquid center.
by pentozali August 1, 2010

by cat with bank May 17, 2021

by aussieguy82 September 12, 2015

by usernamepiss November 25, 2019

by plasmasnake1 November 17, 2021

He asked me if he could kiss me. I asked him to Gun.
She showed 98.25 bid for my ICBC bond, I asked her to Gun.
She showed 98.25 bid for my ICBC bond, I asked her to Gun.
by thefxxkingcoolkid February 27, 2019
