- belly laugh, sidesplitter, howler, thigh-slapper, scream, wow, riot - a joke that seems extremely funny
--1 is a kind of joke, gag, laugh, jest, jape
Derived form: verb howl4 - howler monkey, howler - monkey of tropical South American forests having a loud howling cry
--2 is a kind of New World monkey, platyrrhine
--2 is a member of Alouatta, genus AlouattaDerived form: verb howl2 - howler - a glaring blunder
--3 is a kind of blunder, blooper, bloomer, bungle, foul-up, fuckup, flub, botch, boner, boo-boo