Hiking the Appalachian Trail 

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."

Hiking the Appalachian Trail by wordanista July 5, 2009

Hiking the appalachian trail 

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.

Hiking the appalachian trail by Sanford and Sin June 25, 2009

HIZINGAR 

The act of using magic and sorcery against invisible foes on Black Ops II.

HIZINGAR!
I HIZINGAR, you HIZINGAR, he...she...we HIZINGAR. HIZINGARING? HIZOLOGY? The study of HIZINGAR? It's elementary my dear Muffin.

HIZINGAR by The All Mighty HIZINGAR September 7, 2013

Reverse Hitch Hiking 

The act of literally becoming an Uber or Lyft driver for the sole purpose of transporting YOURSELF to a specific destination while getting paid to do so. Having the ability to pick and chose your rider based on their final destination (which would be in the exact direction you need to go).

- I'm strapped for cash but I really want to go on a cross country trip... What can I do?!

- I know... Have you ever considered Reverse Hitch Hiking?! You would actually get paid to drive people in the same direction you are headed!! Isn't that genious??

Reverse Hitch Hiking by Brocc218 November 7, 2018

Hibing

To hide away from insanity

Guy 1: hey bro you heard about the new shit coronavirus rules?
Guy 2: Nah man I've just been hibing in my house yk what I mean

Hibing by Sam#hibing January 14, 2021

Hiking in Appalachia 

To have an extramarrital affair. Stems from the disappearance and subsequent reappearance of South Carolina Governor, Mark Sanford(R). Gov. Sanford was thought to be hiking in Appalachia. In actuality, he was having an affair in the South American country of Argentina.

Girl, I just saw Susie's man hiking in Appalachia.

Hiking in Appalachia by Chatnoir80 June 24, 2009

Hiking the Appalachians 

To "hike the Appalachians" is to cheat on your significant other.

Politicians love stealing our money and hiking the Appalachians.

Hiking the Appalachians by noncoercive June 24, 2009