Green’s Dictionary of Slang

1. (Irish) urination; usu. as do pooley v., to urinate.

1922		Joyce Ulysses 506: It’s as limp as a boy of six’s doing his pooly behind a cart.
1939		Joyce Finnegans Wake (1959) 206: Lynd us your blessed ashes here till I scrub the canon’s underpants. Flow now. Ower more. And pooleypooley .
1981		(con. c.1918) P. Crosbie Your Dinner’s Poured Out! 35: As very young children we [...] sang: ‘Mr. Dooley, / Done his pooley, / Up against his sister’s garden wall’.
1995		A. Higgins Donkey’s Years 5: ‘Can you do pooley?’ Nurse O’Reilly asks us.

2. (Irish) sexual intercourse.

1999

P. McCabe Mondo Desperado 25: Ever since Jack (RIP) and herself had done pooley (which had been their private name for the love act).