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2.
Osso pronounced: o-so

Adjective- awesome, the most top, pro-ness, exceptional, impressive or daunting, high quality, excellent.

see also

adverb- ossoly

noun- ossoness
Christian: "that girl with the koozie looks pretty cool"

Andrew: "no dude, she looks way osso"
by Drew drewstien June 22, 2010
 
1.
Slang used by Dutch foreigners to refer to home, the place they live in.
Sergio: Ik ga nie smokuh. Ik kan nie skaffa naar osso gaan man!

Achmed: Fuck it ouwe, laten we gewoon sucken!

Translated:

Sergio: I can't fucking go home being high!

Achmed: Fuck it dude, lets smoke anyways!
by u39282983 April 01, 2009
 
3.
A person or thing that looks completely crazy or ridiculous.
Wow, look at that homeless guy! Man, he's an osso
by streetballer June 29, 2011
 
4.
a weiner, a weiner, a weiner, a weiner, also known as penis, sometimes, dick. weiner, a weiner, a kristin, a weiner and a weiner.!
my osso got stuck in the tractor wheels.
by Cassidie and Kristin August 04, 2004