to diss, to rank, to own your ass
"I'm about to gun you!"
"I am about to rank your shity self"
or "In another second I am going to make fun of you"

first- "I'm about to gun you!"
second- "With your dirty ass shoes, and nappy ass weave"
by ThendofReason April 13, 2007
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an expression meanin that u bout to gun a kid.
the "im bout to" is usually high pitched n shit...sounds a lil funny..other variashuns....IM BOUt to roast you..IM BOut to hike on you..and so on
Lamar: IM BOUT to gun you mugg
Joe: Son!, IM BOUT to hike on you..wit yo bootleg sb dunks
by ali shaheeeed May 25, 2007
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using your middle finger and thumb to make a gun that is the most powerful insult ever. the next step up from the middle finger.
Danielle: You're a bitch! I want to kik your ass!

Mandy: What the fuck! Don't make me pull out the "fuck you gun"!!

Danielle: Oh shit, okay I'm sorry.
by lampfucker November 17, 2010
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