shithouse /ˈʃɪtˌhaʊs/noun 3adjective 1verb 1forms 3phrases 1 noun3 •(slang, vulgar) An outhouse, an outbuilding used as a lavatory.He would rather slop out his Punjabis' shithouses than kiss the arse of some limp-wristed war profiteer in Civvy Street, thank you. — 2004 •(slang, vulgar) A filthy place.You will be less amused when I ask you when you will take your turn cleaning out this shithouse. — 1987 •(vulgar, offensive) A coward; one who is overly fearful or timid. adjective1 •(slang, vulgar) Of poor quality. verb1 •(slang, vulgar) To engage in persistent unsporting behaviour or gamesmanship; to play in a cynical, ugly manner; to cheat without being punished. formsshithoused · shithousing · shithouses Phrases with shithouse built like a brick shithouseOf a man, having a muscular body, particularly with well-developed muscles of the chest, arms and abdominals.