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
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
by Kevin O'Leary October 12, 2010
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
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.
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
by Psyco6 November 15, 2012
This sausage roll is grime factor 5
by Samwell March 30, 2005
by Wang P. Freely April 04, 2003