When you let out a Greek/Roman fist pump after an exuberant moment.
"Are those black panthers? no, they're just white guys holding their fists up giving gromans"
by The Groman Definer May 6, 2010
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To excel so superbly in one's field of expertise, it puts others to shame.
Oh damn. Did you see how he gromanized that spreadsheet?
by Gromanizer May 8, 2013
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