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1 definition by Derka

 
1.
Bailey factor is a measure of how hot the girls at your party are not. If there are a large amount of not hot girls compared to the number of dudes, then the Bailey factor is high. Vice Versa, the Bailey factor is low or zero.
YO, I went to this party and the Bailey factor was pretty large so I bounced the f out

3 Hot girls walk through the door with a fat chick; Bailey factor increases.
by Derka September 05, 2007