Polite and polished replacement for the sex. Often used when in public or around an audience that shouldn't know the subject of the conversation.

thots that jump around dick to dick but do it in a fashionable way

When you and a bro each stick their thumb up their ass and bump knuckles while turned backwards

a kama sutra position where both elbows come together causing an elbow bump

songs that are required with a great and loud sounding bass. (Mostly rap)

A Pothole.

When two males touch testicles making their nuts bump and their future children hi-five.