1 definition by Drew drewstien

Osso

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 23, 2010