Top Definition
The boob factor is the phenomenon wherein males provide preferential treatment towards attractive Females.

This usually occurs when a male detects an attractive Female and is compelled by his Male instincts to impress her.
Zac: I was first in line, don't serve her she cut in front of me!
Customer in line: Bad luck son, boob factor for the loss.
by Monty69 November 14, 2006
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