(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
a word you say before you diss or give props to something or someone
junior: my gsx is gonna pwn so many noobs!!
goofy: dude, you're not even gonna get your oso gay gsx, so stop fiending out!!
Homer: So, how was it?
Bart: os os.
Bart: That's backwards for so so.
Name mexican fourteen year old girl accidentally gives her 16 year old mexican crush as she accidentally calls him "hermoso"
"Eres un hermoso" "What?" "Eres un oso"
The delicate art of receiving a blow job while eating a sandwich ("sammich") that was lovingly prepared by the woman performing the blow job.
I thought getting a blumpkin was good, but getting an Oso is even better! Nom, nom, nom!
"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 squick
a stuffed teddy bear on playhouse disney who is a bit special...
oso special in fact
little kids love him and adults get to rip him
oh no! i don't know how to tie my shoes! it's ok, special agent oso is here to help me! no... wait he can't do it either.