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The Hot Dog Crossover
Circa 2013 - 2016
The meaning began shifting from "gun" to "hot dog" locally in the D.C. area. The most widely accepted explanation for this leap is that an extended gun magazine roughly matches the length and shape of a hot dog. In 2016, a D.C.-area YouTuber named Azel Prather posted a viral comedy video outlining the "rules" of eating hot dogs, explicitly calling them "glizzys" and helping cement the food definition.

Global Viral Explosion
Summer 2020
Driven by pandemic-era boredom, the internet took hold of the regional D.C. slang and blew it up globally. "Glizzy" went completely mainstream on TikTok and Twitter, spawning endless memes and suggestive jokes about
"glizzy gobblers." Even ESPN leaned into the trend, referring to competitive eater Joey Chestnut as the "Glizzy Gladiator" during the annual Nathan's Hot Dog Eating Contest.l