First Time Factor

The heightened arousal factor from a sexual experience with someone the first time, that usually wanes thereafter

Girl #1: I'm getting bored with JP

Girl #2: You've only been with him three times!

Girl #1: I know, but everything after the first time is a downhill slide

Girl #2: You should just do one-nite stands then if you only get off on the First Time Factor

Girl #1: Yeah maybe

by sarasplayroom.com February 02, 2010

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Distance Distortion Factor

when a girl/guy looks appealing from far away but get distinctively uglier the closer you get.

Guy 1: Man she's HOT!!!!!!

Guy 2: Nah man that's a DDF.

Guy 1: A what?

Guy 2: Distance Distortion Factor. See shes so ugly now that were close.

by bombsquad1825 April 22, 2011

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Forbidden Fruit Factor

The added sexual attractiveness to another as a result of them being forbidden to you. This is anything from teachers to step-mothers, or your best mate's sister. Incest also comes in to this, but that's pretty ill-advised if you ask me.

"Dan's mum just rocks my world, she's really a 5/10 but that forbidden fruit factor bumps her up to a solid 9"

by FretWizard May 01, 2015

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