YSO

Yeah, Sure, Okay. A abbreviated response to a dubious claim, or unverified or ridiculous information.

Joe: Hey, I am the greatest singer on the planet Earth!
Mike: YSO, dude.

by The xDoctorx September 16, 2015

YSO

a gang acronym that stands for Young Shit Only. This acronym is used by the 800 gang from Youngs Park in Norfolk VA.

im big YSO bitch!

by McPhezy September 18, 2022