texasshole's definitions
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.
by texasshole February 20, 2011
Get the onceymug.