BTB

BTB (Balls to Balls)
Noun
The acronym used to explain the action of touching ones testicles which are hanging out of ones trousers onto another man's testicles which are also hung out of their trousers.

Person 1: Yo man, Mason and I were totally BTB last night!
Person 2: Balls to Balls? Sick dude!

BTB

BTB (Balls to Balls)
Noun
The acronym used to explain the action of touching one mans dangling testicles against another mans testicles. The action must be performed with the testicles of each participating male hanging out of their trousers.

Person 1: Yo dude! I was totally BTB with Mason last night!
Person 2: Whoa!!! Balls to Balls?!
Person 1: Yeah man! Balls to Balls all night!