Green’s Dictionary of Slang

hosing n.

[hose v.2 (3a)]

1. sexual intercourse.

[US] ‘Smokey’ [comic strip] in B. Adelman Tijuana Bibles (1997) 38: Tee-hee-e. You fireman know your hoseing.
[US]A. Zugsmith Beat Generation 37: Many women were as shocked by a day-time hosing as by the knock-off itself.

2. (gay) sodomy.

[US]Guild Dict. Homosexual Terms 22: hose (v.): To pedicate. (vbl. n.): hosing. The act of pedication.