Twin Glizzies

Twin glizzies, alternatively spelt "Twin glizzy's" refers to dual-wielding two Glock pistols of any model in both hands, though is more specifically referring to dual-wielding the fully automatic Glock-18 model of pistol. The term is most often associated with gangsters and rappers, and is commonly referenced in many rap songs. Note that although Glizzies refers to Glocks, it is sometimes also applied to reference any pistol of any variety.

Glock = glizzy

Ay yo, didju hear? Shantell get he some twin glizzies bruh
"Yo fo real? Shit craze bruh"