When you Ejaculate into someone anus. And immediately after that that person fats lunching jizz back at the person
Omg dude she just did a Reverse Shotgun on me
by TheMasterOfTheShotGun November 9, 2020
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if a reverse shotgun is to come into place it means the person who shotguned an object is over-ruled. the word Reverse must come into play as soon as the shotgun is claimed.
jason: i shotgun useing your phrase sucker, it is now mine.
ruby: hell no REVERSE shotgun. i now believe the definition belongs always and forever to me.
by ruby90 December 17, 2007
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When a friend of yours thinks a great idea to get married, though months into it realizes it is absolutely horrendous and awful, but he can't get out of it because there is a child on the way.
Person 1: Hey, can you believe what happened to Kent? Just a shame...

Person 2: Who gives a crap. He had his chance to get out of this reverse shotgun wedding, but he's screwed now...forever...
by Whitehall Dr February 28, 2010
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A rushed marriage that crumbles to pieces after a couple of months. Derived from a "shotgun wedding" where the bride and groom are forced to marry due to an expectant child. In a reverse shotgun wedding, the couple is rushed amongst themselves and the whole thing blows up in their face.
Person 1: Did you hear about Kent's marriage? What a disaster!

Person 2: Well what do you expect? Everyone knew it was a reverse shotgun wedding.
by W-JohnSt February 13, 2010
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Throwing up after shot gunning a beer. Still cold... “it’s just physics bro”
by WardMaMa August 9, 2019
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