Brommack 

A name given to male athletes in the town of Commack, NY that get a little personal with the butt touching.

Fag! You're a part of Brommack!

Brommack by ElfBooty September 7, 2017

Bromack 

One or two bros stretching across a point of A and B to form a hammack for another bro.

Hey man, y back is tired can you be my bromack.

Bromack by Xxx_Ohhoney445_XX January 15, 2023