half-sister

Female that has one parent in common with other living beings.

My half-sister is a good person.

half-sister

Female that has one parent in common with another living being.

Half-sister.

2 and a Half Mommies

When a girl has a kid, Finds a MILF, then the girl and the MILF can call each other mommy and the kid calls both of them mommy. But don't call the kid mommy because that's fucking weird.

Abby is into the 2 and a Half Mommies setup

two pennies and a half smoked cigarette

The amount of payment you are willing to give to a cheap hooker with leprosy; how much you'd would give your best friend for a blowjob from them

"I payed Betty two pennies and a half smoked cigarette for a blowjob, but only got herpes out of it."

half-stepcousin

1- Half-steppibling's child.
2- Half-pibling's stepchild.

half-stepcousin.

half-first cousin-aunt

Parent's female half-first cousin.

My half-first cousin-aunt is a good person.

Half Prospect

A woman who a guy has a lukewarm interest in and not totally sold on.

Brett: I saw you talking to that girl Sara. What’s the latest with her?
Nick: Eh. She is a half prospect. I decided to get with the lawyer instead.