Slang for having an extramarital affair in Hawai`i. See Hiking in Appalachia - referring to Governor Mark Sanford of North Carolina's extramarital affair.
(Pidgin) Sistah's gone hiking Diamond Head again before hubby is pau hana.

(American English) She's hiking Diamond Head again while her husband is at work.
by Sistah Jenny July 4, 2009
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Nonsense excuse made up by Joe Biden to cover for the inflation caused by his policies. Also see: Gaslighting.
Inflation started after Biden was inaugurated in January 2021, which was over a year before the Russian invasion of Ukraine, yet we're supposed to believe this is the Putin price hike?
by Burning_Ham December 18, 2022
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Leaving your wife and kids and job to go sex up a hot Argentinean lady
Did you hear about Mark Sanford? He was totally hiking the Appalachian trail for 5 days last week!
by blarney230 June 24, 2009
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Cheating on your wife with some Argentine hussy sexpot.
Gov. Sanders of South Carolina was Hiking the Appalachian Trail on Father's Day instead of hanging out with his family.
by djnonsequitur June 24, 2009
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Made famous by South Carolina Governor Mark Sanford, it's a euphemism for when you're doing something nefarious.
Randy: Hey, were you out messin' around with that tranny again?

Daryl: Nah, dude. I was hiking the Appalachian Trail.
by Butler CW June 25, 2009
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Euphemism for sticking it in the butt of an Argentinian woman.
Governor Sanford (R) was furiously hiking the Appalachian Trail for several days over Father's Day weekend.
by ZezAzeZ June 24, 2009
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To have an extramarital affair in another country, especially South America.
South Carolina Governor Mark Sanford was hiking the Appalachian Trail last week and didn't tell anyone where he was, but he's really really sorry about it.
by Ken Starr June 24, 2009
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