¡Que oso! Is a slang used in Mexico, usually by young people, and you can hear it typically from fresas or people who are wealthy, snob, raised in the luxurious, well cared real estates or rich neighborhoods unlike living in the barrio (hood). Its meaning is to be ashamed of something that was done from oneself or others, like making a fool. Its literal meaning is: What bear!
Girl 1: Wey, ¡Que oso! ¡Yo coqueteandole y salió que ya estaba en una relación!

Girl 2: ¡Te dije que tenia novia, pero me mandaste a la fregada!
Girl 1: ¡Pues no creí que andarán de verdad!
Girl 2: ¡Orale pues, ve a hacer el oso tu sólita a la siguiente!

Translation:
Girl 1: Wey ¡Que Oso! I was flirting with him and turns out he is in a relationship!

Girl 2: I told you he had a girlfriend, but you ignored me!

Girl 1: Well, I didn't think they were dating for real!
Girl 2: Orale, next time make a fool of yourself without me!
by Becalicious August 1, 2020
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Originated in Cincinnati, Ohio in the Fall of 2005, oso machino was the name of a traditional Klotterian folk band. The name soon evolved into a life affirming statement, insipired by the Klotterian band's attitude, used in times of stress and discontent. Many have compared the phrase to hakuna matata however, oso machino is often used in a much more abrasive manner.

syn: fuck it, whatever, who cares, fuckin a
Mike: How was your day?
Jason: Not so good, my mom died...
Mike: ...
Mike: Oso machino (hands Jason a libation).
Jason: (chugs, wipes his mouth on his shirt sleeve, and smiles.)
Jason: Oso machino.
by Klotterhouse Five February 13, 2006
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A fucked up little plush teddy bear who doubles as a special agent to "help" children accomplish remedial tasks. Usually can't wait to get hands-on with most youngsters he meets. Gets the answers from the audience and his wristwatch. His best friends include a pretentious wolf, a retarded hillbilly racoon or squirrel lookin hoochie named "dotty" and some fuckin james earl jones soundin nigga who is the boss of the whole stupid operation. His vehicles include a faggot french train named RR Rapeed and a blind helicopter named whirly bird. Obviously a Sandusky faggot since he never tries to slay dotty, creeps into childrens bedrooms and usually dips when the parents come home.
Little Billy: Special agent oso what are you doin here? Are you here on a special assignment?
Agent Oso: Why don't you come find out.
<sound of door closing>
Billy's Mom: Billy where are you?
Agent Oso: Oh shit I better dip on outta this bitch. Hit it whirly bird.
by pimpinthe405 November 23, 2011
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