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1 definition by Drew drewstien

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
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