Pavlovian association? (somewhat NSFW)
pics
Jizz to these sluts: young and old, white and black, amateur and pro pornstars
http://imgur.com/a/USS67/cock_vs_toothbrush
original: http://imgur.com/a/USS67/cock_vs_toothbrush
nsfw
RealGirls
Tgirls
RealGirls