n. 1 hissing, sibilance Serpents and geese make a sound like a hiss 2 catcall, jeer, boo, hoot, Slang raspberry, US Bronx cheer The villain was greeted by hisses from the audience
v. 3 boo, hoot, jeer, deride, mock, taunt, decry, disparage The workers hissed and booed the speaker