The shit marks you leave on your cousin's chest when you tit-fuckher.
"Man, after I got through tit-fucking my cousin, her chest looked like a map of the Appalachian Trail!"
by Chefguy February 29, 2012
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Defacating through a hole cut in a hammoc, while someone lays beneath said hammoc.
Chris enjoys receiving Appalachian Avalanches on the regular!
by Doug Social June 25, 2023
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A mountain system in eastern North America that stretches from Quebec and Main in the north to Georgia and Alabama in the south.
We went up the side of the Appalachian Mountains to get a good view of the big horned sheep.
by Trinity Smith December 12, 2016
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Sneak away to meet your mistress. ("Hiking the Appalachian Trail" is the first explanation of where South Carolina Gov. Mark Sanford was when he disappeared.)
"Has anyone seen Jawann? I've been calling and texting him for three days and he's not answering."

"Uh, he's hiking the Appalachian Trail."

"Oh. Got it."
by Frankie Fiveangels June 26, 2009
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To be unfaithful to one's partner e.g. in an extramarital affair. Named after South Carolina Governor Mark Sanford, who was said to be hiking the Appalachian Trail, when actually he was visiting his mistress in Argentina.
"My husband has a lot of "meetings" and "conferences" to attend to lately. I think he might be hiking the Appalachian trail."
by wordanista July 5, 2009
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Euphemism for preforming oral sex on a woman.

Specifically to lick from the bottom of a woman's labia upwards towards her clitoris.
Mark went 'Hiking the Appalachian Trail' much to the delight of his mistress.
by Sanford and Sin June 25, 2009
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To have a sexual encounter or affair, named after the infamous disappearance of South Carolina Governor Sanford, originally thought to be hiking the Appalachian Trail, but was having an extra marital affair in Argentina.
I wanted to Hike the Appalachian Trail in the back seat of my dad's Lincon after prom, but my date wasn't drunk enough.
by scexpat June 24, 2009
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