Adjective
osm (comparative more osm, superlative most osm)
(Internet slang) awesome; like OK, can be used to express enthusiastic approval.
This house is OSM.
"Will meet you at 11h15." "OSM!"
The removal and reinstallation are being managed and funded by OSM Construction and CLB architects in partnership with Gallatin Art Crossing. Source: Internet
From the OSM to Wilco, Primus and Feist, music lovers will have no trouble getting their fix this fall. Source: Internet