1 definition by RockInbUT21

BLAB

Blush like a bitch. Extreme embarrassment or heightened emotional response... usually in the combo of blushing and grinning and generally acting like a girl.

Matt: Wazzup witchu??!
Barney: Watchu talkin' about?
Matt: Every time Susan notices your lame-ass grunge tees you start to BLAB!!
Barney: =L Ohh...

by RockInbUT21 December 23, 2011