Texas Telephone 

When two people converse in conversation while they are taking a dump in neighboring stalls.

Joey and Bob had the best conversation through a Texas Telephone.

Texas Telephone by plokmijnuhbygv July 20, 2011

Texas Telephone 

When two people hold hands between bathroom stall walls or urinal dividers while using the facilities.

Did you see David and Alex on the Texas Telephone? I think they’re gonna get together soon.

Texas Telephone by BeefStewy January 25, 2022