A euphemism for having sexual relations.
"So, how did your date go last night? You hike the Appalachian?" or "I'm sorry, the Governor is not available. He's out hiking the Appalachian."
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hiking the Appalachian
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The high one gets from receiving a text message, particularly a text message related to a romantic/sexual interest. Those who need textual gratification tend to go through periods of anxiety while they are waiting to hear back from people they have texted.
"I need textual gratification, and I need it now!"
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textual gratification
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