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3. 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!
1. OSO
(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
2. 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!!

4. oso
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.
5. 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."
6. oso
mafiOSO, mafia, mob, vice lords, CVLN
I'M OSO FOOL, he's traight oso dog
7. OSO
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."
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