2 definitions by BrownBearr

A Reverse Flash is when you're pushing out a fat shit turd but midway your butthole clenches and it make the turd go in reverse.
Dale: "So yesterday i was so constipated that I had a reverse flash."

Ted: "Did it feel like getting anal?"

Dale: "Fuck you Ted."
by BrownBearr November 17, 2017
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Same thing as the "Runs" except its most commonly used when describing a morbidly obese person's Hershey Squirts. because they can't "Run". Only Speed Walk .
Steve: "Hey fatass, didn't I warn you about getting 30 dollars worth of Taco Bell food."

Greg: "Shut up bitch, I had the speed walks all night. Totally worth it though. 10/10 would do again."

Steve: "Dumbass."
by BrownBearr November 17, 2017
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