Double Tunneling

If you have sex with the same girl as your friend has. You two have now been double tunneling. And now you are tunneling buddies.

Yesterday i fucked *Tina* we have now been double tunneling.

by dsteffens May 25, 2016

Double tunnel buddy

When you and your bro have both taken down the same chick via both tunnels (vaginally and anally).

“Bro! Are you my double tunnel buddy?”

“Don’t even tell me you double tunneled with that Lindsay chick, bro”

by BuffyTheManSlayer September 16, 2018