nirb

Noun. Someone who performs exceedingly well at the beginning of a course, but fails to continue to do well.

Verb. To do very well at the beginning of a class, but do poorly later on.
Dude, Mike totally aced that first exam, but then nirbed out on the final.

Yeah man, Mike is such a nirb.
by The Nirbster November 29, 2012
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nirb

That new girl is such a nirb.
by ldksjbf January 02, 2009
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