– know in the biblical sense – know-it-all – know (one's) ass from a hole in the ground – know (one's) own name – know (one's) shit – know shit from Shinola – know the ropes – know what I misdemeanor? – know what (one) is saying – know which side (one's) bread is buttered on – LMK – namsaying – not know one's ass from a hot rock – what ya know? – YKWIM – you know – you-know-what – YSK