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Someone who always happens to have some gum with them. No matter where they are, they’re probably chewing gum. Whether they’ll share or not is up in the air.
Person A: Did you see Shawn’s backpack? He’s got 3 packs of gum in there.

Person B: Yeah, the dude’s a definite gumslinger.
by milohehehe July 08, 2018
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