Top definition
To drive with the gas light on for such a terrifyingly long amount of time you must be running on the pure belief of children. A reference to the movie Elf.
Person #1: "Dude, you need to stop for gas. You've been running on christmas spirit for almost an hour."

Person #2: "Nah, we're good. You just have to believe as the children do."

Person #1: "whatever, man."
by Matt Doe March 16, 2014
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