Definitions by Flesticle N. Bumptious

assblast 

A loud, odiferous, noxious, and entirely pleasing emission of gases and various chemicals and excreta from one's nether gate.

I gave a satisfying assblast in the crowded elevator and caused a panic between floors 11 and 14.

assblast by Flesticle N. Bumptious January 13, 2008