Top Definition
An abbreviation for the Oklahoma School of Science and Math, connotations also linked to torturious prison, meaningless life, and juvenile.
If OSSM is your life, im sorry.
by Zoheb April 19, 2005
An even more keystroke-saving way to type awesome than ossom or ossome.
Texter #1: he said yes!
Texter #2: ossm!
by zlern2k October 31, 2015
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