bughouse /ˈbʌɡhaʊs/noun 5adjective 1forms 3 noun5 •(US, slang) A flea-infested hotel, lodging-house etc. •(US, slang) A hospital, especially a lunatic asylum.Well, he was ready for the bughouse, certainly. — 1976 •Clipping of bughouse chess •(US, slang) A prison. •(South-Africa, slang) A cheap and dirty cinema. adjective1 •(US, slang) Crazy, insane.'Just what's up on this train? It seems bughouse to me.' — 1934 formsbughouses · more bughouse · most bughouse