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"
A derogatory way to describe someone who is very busy with sexual endeavors. Most often used to describe someone engaging in gay sexual activity involving more than one boom tube.
Knowing Roy, he was probably three glizzies busy last night.
The hypothetical man (often a sinistercharacter who decided not to go to boot camp) that is doing your girlfriend/wife while you are on deployment overseas.
Ain't no use in goin home,
Jody's got your girl and gone.
Ain't no use in goin back,
Jody's got your Cadillac,
Ain't no use in feeling blue,
Jody's took your checkbook too.