From WordNet (r) 3.0 (2006): sidesplitter n 1: a joke that seems extremely funny [syn: belly laugh, sidesplitter, howler, thigh-slapper, scream, wow, riot]
sidesplitter n 1: a joke that seems extremely funny [syn: belly laugh, sidesplitter, howler, thigh-slapper, scream, wow, riot]
