1 definition by MonsterHit

Top Definition
A 1-hitter bowl of weed, generally smoked close to the end of a smoking sesh, used to get a person exactly where they want to be.
Me: Yo man pack me a 1 hit K.O., lets finish this off
You: yeah man.
by MonsterHit December 17, 2009

Mug icon
Buy a 1 hit K.O. mug!