look up any word, like ratchet:
 
1.
The act of forming shapes in the air with ones hands and arms, whilst dancing - usually at a rave.
Big fish, Little fish, cardboard box...
by Shalroth July 27, 2005
 
2.
also applies to the shapes one forms with their mouths while in the act of a guitar solo
he was really throwing shapes tonight
by buttwhipe June 11, 2006