Yesterpoon

The girl you have no feelings for and had sex with the day prior.
She sticks around thinking she's your girl afterwards.

Yeah, man, She's just a piece of Yesterpoon. Don't mind her.

by ccssinnn November 16, 2011

Yesteryonder

The day before yesterday

Jason: When did you get back from your trip?
Alex: Oh...yesteryonder

by Hmmnmnmnm August 29, 2017

yestermorning

same thing as saying yesterday morning

I woke up at 8 yestermorning

by Rachel Treat March 29, 2007

yesternocturnal

relating to yesterday night.

The frightened man slowly described a yesternocturnal nightmare, when he, as claimed by him, met a ghost.

by uttam maharjan December 9, 2012

Yesteryoung

A man who is not old enough to be middle-aged but not young enough to fit in at college party.

why are you bringing your older brother, he's like 30 something. We don't need any yesteryoungs talking about their mortgage & student debt.

by fspwest January 9, 2020