Top Definition
The international symbol for the best long-term Israel program known as OTZMA. Introduced in 2009, this stance, which is very similar in style to the fifth arm position in ballet, serves as a calling card for OTZMA alumni and current participants.
"O's up!"
"It's been three years, but I still got my O up!"
by sarmcohe June 25, 2013
1 more definition
way to say hello, except cooler.
osup dude, how's it going?
by rewriteraito June 27, 2010

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