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1.
A variant of the slang word "shotgun" (a situation in a group of people where one person declares that they will ride in the passenger seat while the other 3 squeeze in the back seats of the car.)

When you are fat, preferably obese, you basically get shotgun. It would be really difficult to squeeze 2 more people in the back of a small car alongside a really fat person.
"fatgun!"
"huh?"
"i'm the biggest guy among us so i'll sit in the front to save the rest of you guys space"
"oh, okay, that makes sense"
by jakk765 June 21, 2014