Most usually (East coast), any person with any type of shine (black) in them.
Hey Gino, that new kid looks awfully tan. You think he is a halfsie? Antnee, you know his moms a shine, heβs a halfsie for sure.
A bisexual person. Refering to being half way "out the closet".
Carla won't go out with Mary because she doesn't date halfsies.
5π 18π
A Male to Female transgender person
"Dude, did you see that chick? I think she had a dick!"
"Yeah dude, Halfsie - upper half woman, bottom half dude"
3π 17π
absorbing a cost equally between two people
dude, do you want to go halfsies with me on that killer mud pie?
278π 29π
The spelling Halvsie refers to someone who is of mixed halves of races or ethnicity.
usually half Japanese and half caucasian in descent. e.g. 'Devon Aoki is a hot halfsie'
25π 8π
a partially erect penis that occurs typically when the owner is aroused by something they should probably not be aroused by or in other inopportune situations.
Armando is inappropriately and uncontrollably partially aroused by his room mate. He now has a halfsie.
22π 8π
A person who consists of multiple ethnicities
Person # 1: Hey! Where are you from?
Person # 2: I'm half British and half Indian
Person # 1: Oh so you're a halfsie? That's cool!
buy halfsie mugs & shirts