1. Wild, dirty porno sex triggered by the anonymous, one-night-only, set-like quality of a hotel room. After sex, participants may also revel knowing that they made a mess that some random person will clean.
2. Doing it with reckless abandon.
Marty: "Who knew all these months of yoga would pay off last weekend at the Holiday Inn?! Blanche and I tried positions I didn't think were humanly possible!"
Sam: "Ooooh yeah, I love hotel sex! Sometimes after a dry spell, Sheila and I will rent a room at the Knotty Pines for a few hours to jumpstart things again."