1 definition by Flesticle N. Bumptious

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.
by Flesticle N. Bumptious January 6, 2008
Get the assblast mug.