For example the "Don't do it, he's not worth it" , or "Killing him wont bring him or her back"
or from 24
Tony trying to shoot the murderer of his wife, and jack bauer shot him.
When a friend (or FORMER friend) buys the firearm you were looking at, and considering for purchase. Glock is used in this case as a popular representation of any firearm, for its rhyming properties.
Jumbo: The guy I went to the gunshow with bought the XDs I wanted...
When your teammates block your bullets with riot shields and corner you in on Call of Duty. It can be accidental or on purpose. Riot shields don't necessarily need to be involved. Sort of like a cock block but with bullets and less sex and more guys.
General definition: Using Glock as a basis for any argument about beginner handgun selection, stating it's unmatched reliability and proliferation, while negating it's downfalls in ergonomics/Grip angle and lack of innovation.
Alternativedefinition: Shitting on any Glock caliber besides 9 or 10mm or the G44 22 LR
I overheard heard this Fudd talking about the 1911 being the only choice for a CCW, so I had to Glock-block him