hondoo, n. — Green’s Dictionary of Slang

hondoo n.

[Sp. honda, ‘the eye or eyelet on the loop of a rope through which the main line is passed to form a loop for roping’ (Logsden, Whorehouse Bells Were Ringing, 1989)]

(US) the vagina.

a.1968

‘School Ma’am on the Flat’ in G. Logsdon Whorehouse Bells Were Ringing (1995) 54: He took his dallies from around horn and opened her hondoo.