The inner working relationship between the male's brain and penis, usually resulting in cloudy thoughts or irrational decisions.
Homie: Can't figure out what to do with this girl...should I dump her or naw?
Other Homie: Dude, Jerk off and then make up your mind, just do some good old cock physics, ya know?
*boys chilling in the club*
Friend: Yo Josh, this hot ass girl is totally making eyes at me.
Josh: Naw dude, thats some cock physics...she is looking right at the T.V. behind your dumb ass