Green’s Dictionary of Slang

honour n.

usu. ironic ref. to the vagina.

‘Fortune’s Bounty’ in N. Ward Poems on Divers Subjects (1706) 253: At last it pleased her fickle Grace / To find her Jilting Bum a place / [...] / And on the Bench, / O fy upon her! / She clapt her Tail, that is, her Honour.