A person who abuses his current friendships to propel himself up a social ladder, usually putting down his current friends as a means of making himself look cool to people with higher perceived social status.
"Rodney just told Alex that I'm really pretentious. Why is he telling Alex, who he just met, about my personality flaws?"
"Dude's a social leapfrog. Are you sure you're friends with him?"
by Duder91 December 28, 2013
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