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1.
1. Verb - Possessing the monetary ability to pay for one's food, yet denying the call to do so with the cover of using the restroom; leaving others behind to pay for their meals with the fear of being reprimanded.\

2. Noun - One possessing both monetary and physical ability to pay for one's food, but instead makes wild claims of needing to use the restroom. while walking out the front door of the dining establishment with food in hand.
1. "John, did you hear about that guy who dined and dashed at the restaurant?" "Yea, he was devalcourting so hard."

2. "That guy who dined and dashed is such a devalcourt."
by Bilbo of the Shire May 28, 2013