oncey
The act of a female grabbing a guy's sex organ to check it for suitability before committing to further sexual acts. Not quite a handjob, but a possible precursor.
Kat wanted to go further with Steve, but when she got her hand down his pants for the oncey, she knew it had to end there.
Oncey
derived from "once over." The act giving a hand job, but not really.
Dude I totally got a oncey from that chick. She was so drunk she couldn't finish.
oncey
a ONCEY is a person who stans both TWICE and ITZY. the name was formed by combining their fanbase names, ONCE and MIDZY.
Vin: Wow LOCO is so good, and I love every song on Formula of Love!! I'm definitely a ONCEY!
Stella: Who asked
Stella: Who asked