What is 3-0?
1.
the third level of law-enforcement - police are known to be the 5-0, security gaurds and bouncers (club security) constitute the 4-0 - whereas the 3-0 represents school teachers or other citizens who are on the look out for people up to no good.
pronounced "three-oh"
Ay dawg, lets cut class.
No dice, the 3-0 are out in force patrolin today, we'll get busted fo sho.
See
