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Adj. Similar to impressive, but to the highest degree. Often results in an epiphany, eureka moment or generally just having your mind blown.

"Sally went to the club last night last night and got so hammered, its ampressive we made it home alive."

"Dude, is that your ex? Damn, she got hot after you guys broke up, like ampressively hot. You mind if I hit that?"
by psypher801 June 20, 2014
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