When one's pubic hair is between bare and bush.
Man, I gotta shave I'm pushing a shrubb.
by Jarfus May 11, 2011
Someone who thinks they're too cool for school but really they're a total geek - and not even in the 'geek chic' kind of way. Just a geek.
Look at that loser, she thinks she's so cool. I know, what a Shrubb.
by DC79 April 20, 2011