The phenomena experienced when you are abruptly woken in stranger's tub; usually by the owner of said tub, after a party you won't remember, with the water on cold.
That asshole gave me a Horizontal Shower.
Harsh buddy, you were just drunk and threw up everywhere but in the toilet, WTF's his problem...
The awkward squirming motion a girl must perform in bed in order
to make him sleep on the wet patch.
I was so into it last night I didn't even notice her dangle fanny maneuver set us to my side before the big finale.