A gun which holds .303mm type bullets. Often used in the lyrics of Ice-T.
Lookin' at'cha through the sights o'my three-o-three.....
by Agent Chainsawlady March 5, 2004
Get the 3o3 mug.
The baddest clan on Soldier of Fortune.

Step the fuck back, sit the fuck down, the 3o3 clan is in town.

420

Peace & Chicken Grease
=3o3= IFB_Blackened
=3o3= TheOne&OnlyGolgo13
=3o3= GaNgStA WaNgStA
=3o3= Killa Keefe
=3o3= FELONious Phil
=3o3= TheGreatBlackPope
=3o3= Po Nasty
=3o3= Sweet Cookie
by Sweet Cookie December 9, 2003
Get the 3o3 mug.