choneys, n. — Green’s Dictionary of Slang

choneys n.

[Mexican Sp. chonis, a slang diminutive of calzones, underpants]

(US) female underwear, panties.

2001		Urban Dict. 27 June 🌐 choneys undergarments - specifically underwear. ‘choneys’ is supposedly spanish for underwear.
2021		T. Swerdlow Straight Dope [ebook] Carla was in just her choneys and a tiny shirt.