A very advanced insult that is required to use when somebody is doing something that will almost always get them jailed or killed.
Person 1: Bro I'm gonna go clean my toaster in the bathtub, will you go plug it in for me?
Person 2: I bet you play Russian Roulette with a glock
Person 1: What does that mean?
Person 2: It doesn't matter wheres the sparkplug