Those two guys are tunnel buddies.
by DDXT February 09, 2018
Like billy is my tunnel buddie
by Christmas eve February 11, 2014
When two gay men share a chronic addiction to anal fornication. Habituation of anal sex will eventually scar one's anus, marking one as a permanent "Tunnel-buddy."
by xingm8y May 05, 2014
“Bro! Are you my double tunnel buddy?”
“Don’t even tell me you double tunneled with that Lindsay chick, bro”
“Don’t even tell me you double tunneled with that Lindsay chick, bro”
by BuffyTheManSlayer September 16, 2018
If your friend has a girlfriend, and his girlfriend slept with his sister, and you sleep with his sister. you are now Bluetooth Tunnel Buddies with your friend
by florida stanley February 21, 2020