WordNet (r) 3.0 (2006):
blow off v 1: come off due to an explosion or other strong forceMoby Thesaurus II by Grady Ward, 1.0:
25 Moby Thesaurus words for "blow off": attenuate, beef, bellyache, bitch, bleat, blow, blowhard, cast forth, clear away, crab, dilute, dispel, dissipate, dissolve, drive away, evaporate, fuss, shoot the shit, squawk, talk big, thin, thin out, volatilize, yammer, yawp