(Other Significant Other)
1. A partner's other partner; metamour.
2. A person's partner, sometimes but not always a non-primary or non-spouse partner
This is Bob, my SO, and this is John, my OSO
This is Bob, my husband, and this is Jill, his OSO
"Other significant other". A non-primary partner in a polyamorous relationship; a fuck buddy or friend with benefits.
"meeting new OSOs always makes me nervous."
"My SO found a new friend online; she's already talking about making him an OSO, which kind of squicks me."
A big, fat, lazy person, with no concept of work ethics. May be overheard uttering "you know what?" This person claims, "I only eat one meal a day?" Tells co-workers to focus more on their jobs and then excuses himself for a 3 hour lunch.
Father to son: "Son, you keep slacking like that, you'll end up an Oso."
Oso meaning ya name ring bells someone to be scared of he is a menace
oso is on the block we finna die
A thug of large stature. Usually independent of chains of street gang affiliations. Not to be toyed with. Spanish word for BEAR.
You do that wanna mess with Oso he is unstable.