wouldn't
81Wouldn't know if his arse was on fire — very stupid, ignorant …
82Wouldn't know if it was Whitsunday Passage, Thursday Island or Friday afternoon — not competent to comment on the matter …
83Wouldn't know if smb. was up him sideways with an armful of deckchairs — really dumb …
84Wouldn't piss in one's ear if their brain was on fire — expression of utter contempt …
85Wouldn't piss on — expression proclaiming that (someone or something) is totally worthless, hopeless, etc …
86Wouldn't piss on smb. if they were on fire — expression of utter contempt …
87Wouldn't say shit if smb. had a mouthful — quiet type …
88Wouldn't shout if a shark bit him — someone who is particularly stingy …
89Wouldn't shout in a shark attack — will not take his turn buying the drinks in a bar, will not shout his turn …
90Wouldn't that rip the crater out of granny's crutch — said when something bad happens …