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An extremely attractive person.

Most commonly used in the context of an educational institution in which students declare a "major," so this term can be used openly, since it sounds so much like "Finance Major."
Dude 1: Dude, Kelly's a total Fineass Major!

Dude 2: Totally!

Kelly: Actually, I'm an Enginerd.

Dude 1: *whispers to dude 2* no, actually you're a fineass major.
by Thornbrow April 04, 2008
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