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.
22๐ 8๐
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
When you shit but only half of it comes out so you struggle hard the rest of the day until the other half finally comes out.
Convo in Taco bell bathroom
Kyle- What the fuck is taking so long
Dan- Bro i got halfsies so bad right now
Kyle- Damn that sucks your gonna struggle the rest of the day
Dan- I know thats why im trying to get it all out now!
18๐ 51๐
A half ounce of weed (14.5 grams). Costs about 80 dollars canadian.
Most people cop halfsies cuz ther too broke to buy ounces
5๐ 16๐
A bisexual person. Refering to being half way "out the closet".
Carla won't go out with Mary because she doesn't date halfsies.
5๐ 18๐
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"
3๐ 17๐
When you can't decide between two things, so you and another person (usually a friend or acquaintance) each purchase one of the desired items and you both exchange half of each item with one another.
Note: Most often done when ordering food. This way you can eat both items you want instead of ordering two meals and looking like a fat ass.
Person 1: "Man, I can't decide between the teriyaki chicken or the club."
Person 2: "Yeah, me neither."
Person 1: "Double halfsies?"
Person 2: "You read my mind."
23๐ 1๐