'laugh at' definitions:

Definition of 'laugh at'

From: WordNet
verb
Subject to laughter or ridicule; "The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday" [syn: ridicule, roast, guy, blackguard, laugh at, jest at, rib, make fun, poke fun]