When a chick's vag looks like she stuffed Justin Bieber's head in it face first. In other words, a pubic Amazon jungle.
I cum face-to-face with a bieber beaver last night at the party. So, whaddya do? I bushwhacked my way right in and back out with a wooly mammoth mount, you know how I roll!
by Lovell from UT November 08, 2010
1 more definition
Another word for Justin Bieber fan.
Lisa loves Justin Bieber, she is such a Bieber Beaver!
by ILightBite February 21, 2011