(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

"Other significant other". A non-primary partner in a polyamorous relationship; a fuck buddy or friend with benefits.

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.

An acronym for the term "On some other shit"

It is used to describe someone being off topic or saying something extremely irrelevant to the situation. (Or blabbing on about a bunch of nothing)

a word you say before you diss or give props to something or someone

oso meaning most feared name rings bells not ot be played with

Oso meaning oh so, or very in some ways you would use it instead of saying so annoying or so stressy