A fork of Rural Dictionary
Nickname for a guy who acts like an idiot, meaning he has half a brain.
That smoking hot chick ran at you naked and you still didn't have sex with her? Nice job halvsies.
mixed genitalia; half of a penis.
"I was hooking up with this chick, and then I had to run away because she had a halvsie!"
When pouring a drink (generally shots), and the consumer of the said drink doesn't want a full shot, but a little more than half, he or she would ask for generous halvises.
"Don't give me a full shot, just give me half!" "Bitch, you're taking a generous halvsies shot!"