It's the real moniker of the somehow popular restaruant "Jack in the Box", derived from the sickening feeling you get after eating their ground horse ass. Some of their food is less vile than others, but NOTHING on the menu is legit, especially the value menu, which, when eaten, will always have a few "surprises" in the meat IE: bone, sinew, and cartilage from god knows what animals.
I was eating my hamburger delux and heard a CRUNCH and noticed the meat was filled with cartilage, and I Gagged in the Bag.



(for UD's stupid requirements that my example match word for word gag in a bag)
by ganjboy420yaa September 10, 2008
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An expression used to describe someone that you find physically attractive (enough to have sex with) but otherwise find replusive. Stems from the idea of gagging the person so that you can't hear the crap that comes out of their mouth, in order to increase your sense of pleasure when bagging (or sleeping with) them.
Kurtis is an arrogant, manipulative prick; talking to him for more than 5 minutes is overbearing which is too bad since he's such a hottie - he's a total gag 'n' bag.

or

A hot annoying/stupid chick that won't shut up would be considered a gag 'n' bag.
by Michelle Dubs February 7, 2011
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a white boy who vapes, is in AV club, or skateboards. would be a soft boi if he wasn’t so gag.
“i think that guy on the baseball team is super cute!”
yeah but he’s such a gag bag
by bcullers March 26, 2019
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(GAG) is an acronym for (Grab-And- Go) A GAG Bag is a bag that's packed and ready to go with emergency survival supplies that is ready to grab in a moments notice.
Also known as a (Bugout Bag)
America is my country and I'm asking my fellow country man to have a GAG Bag . Be prepared to deal with disaster. Don't rely on the government or your neighbor to take care of you. We the people can do this, God bless America.
by RottenPanda3 September 22, 2017
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When you put your whole nut sack in someone's mouth and make them gag on on it, normally done as a sexual act - sometimes used as a prank when another person falls asleep with there mouth wide open.
Tom -"Ya yesterday when I was leaving your house your sister had her mouth wide open so I gag bagged her, she was so pissed."

Willie - "dude what the fuck"
by Rusty-rod September 25, 2017
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gag bag is a realy nasty person who makes you want to gag in a bag :)
omg she is such a gag bag
by emomonkey2345 January 31, 2008
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