look up any word, like ratchet:
 
1.
When someone thinks they are more beast than others around.
I'm the beastest in this room.
by Alechun July 28, 2008
5 2
 
2.
The best in bed. (a beast in bed)
Did you hear Kevin is the beastest in bed?
by kpho September 21, 2010
6 7