look up any word, like porb:
 
8.
a curly headed decent looking boy who used to have a semi-normal name but no one rembers it anymore. I brainwashed my good buddy into crushing on with the thought of a super deluxe mini condo & the fact he couldn't be any worse than Reshawn.
Did you brainwash her too, or is this not a Birch sceanario?
by Halenna August 02, 2007
 
9.
The polite version of bitch. Employing the word birch does not insult female dogs or any other animate living creature. It describes an extraordinarily mean female.
That girl just told me that I dress like a mangy slum rat. She is such a birch.
by meow power November 10, 2009
 
10.
A broad-leaved, deciduous hardwood tree of the genus Betula, generally having white bark, and grow to a "medium" size.
The crazy Russians turn birch into tar sometimes.
Birch wood is fucking great.
Bob: That is a lovely little oak tree you have!
Phil: No, you ignorant cunt, that is a birch!
by CompanionCubeLives November 25, 2012
 
11.
the greatest game alive...played by the cool folks at birch stadium...when people use wood instead of a baseball bat and a tennis ball..does it get any better?
Yo lets go birch...and use some wood
by Neiliyo November 03, 2006
 
12.
sometimes endearingly used, a birch is a step down from a bitch and is often called this after either a bitchy action or to force a quirky reaction to the name-calling
Will called Marissa a birch just because he likes to see her get worked up.
by birch! November 29, 2004