Occurs when your partner poops all over your pillows/bed after doing it anal
Bob: "U think Whitney and Charlie had sex last night?"

Tom: "Hell yeah man! Whitney did a log slide all over his pillow when they finished."

Bob: "Wow I'd never want to sleep on those pillows again
by Ipassonrumors September 1, 2010
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When you crap a steaming hot log between a girl's rocky mountains (boobies)
Yo man I did a rocky mountain log slide on my girl last night.
by strdr505 February 23, 2014
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