Piss plop
The awkward silence/tension between people in a bathroom which is broken by the sound of urine sloshing and then awkwardly being muted by aiming the urine away from the collected water in the toilet/urinal.
Thing 1: "Ugh dude I was just in the bathroom and my friends dad was in there and I made the most awkward piss plop."
Thing 2: "Did he look over?"
Thing 1: "Total 90 degree head whip."
Thing 2: "Sucks."
Thing 2: "Did he look over?"
Thing 1: "Total 90 degree head whip."
Thing 2: "Sucks."