The act of thinking of a grenade during school, work or while in any public place to get rid of a raging hard on.
Guy 1:Dude i got a huge boner in school the other day so i thought of that ugly girl from gym and it went right away.
Guy 2:Dude she's a great boner beater.
Guy 2:Dude she's a great boner beater.
by yeagabombz June 21, 2011