halfsies

half-brothers or sisters. people who share one parent, but not the other. eg, people with the same mother but different fathers.

you could also spell or pronounce it "halvsies", but you'd look like a retard.

Girl1: "I thought you had a brother. How come I never see him anymore?"
Girl2: "My sister and I live here with our mom, but our halfsies live in Texas with their dad."

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Guy1: "Megan and Ryan are spending a lot of time together. Are they dating?"
Guy2: "No way, man! They're halfsies!"

by MattJ77 March 12, 2009

halvsie

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!"

by BigKate July 22, 2008

halvsies

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.

by senoj September 8, 2007