piss proud. Having a false erection. That old fellow thought he had an erection, but his—was only piss-proud; said of any old fellow who marries a young wife.
– from the 1811 Dictionary of the Vulgar Tongue, ‘a dictionary of buckish slang, university wit, and pickpocket eloquence’
crap nap n. An alcohol-induced siesta taken in a pub gents cubicle, when one is overcome with sudden tiredness at the effort of pulling down one’s trousers and sitting on the throne. Shitwinks
– from Roger’s Profanisaurus, c/o Viz, ‘the magazine that’s better than nothing’.
Pic predates both: A Rake’s Progress, William Hogarth (c/o Tate Britain)