Any gathering predominantly populated by tools, or individuals who lack the capacity to not conform to systems and arbitrary rules, and who generally lack the ability to think or act creatively.
A condition affectiong conventioneers upon returning home. Symptoms include hangover (usually on the 1stday after return from convention) , lack of satisfaction in life because you're not at convention and checking the calendar every day to see how long until the next convention. Sufferers often write inconsequential messages on facebook or texts to other sufferers. This temporarily seems to provide some relief, but the effect doesn't last.
Sorry, I'm just not happy. I think I have Post Convention Depression Disorder.
When a group of government agents (i.e. FBI, DEA, ATF, etc.) are enacting a search warrant on a premises. So named because of the large amount of agents that wear trenchcoats as part of their attire. Term used more often in colder regions of the country. Can also apply to municipal law enforcement detectives as well.
"Did you see the trenchcoat convention at the meth lab down the street? Looks like they finally busted those guys."