Top Definition
National Association Against Cock Blockers. The NAACB fights all those that get in the way of late night hookups (or any other for that matter).
I was going to get busy with her until her cock blocking friend showed up. Her ass belongs to the NAACB now.

If you don't jump on the grenade so I can blap that bitch, I'm turning both you and that fat ho into the NAACB.
by JoeGV November 08, 2007
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