Person #2: 5, 4, 3, 2, 1...BREAKDOWN!
Person #1: (After the BREAKDOWN!) Dude, u totally gave me a welt on my left eye.
Person #2: Sorry dude, i get kinda gaytarded while moshing sometimes.
Person #1: Its okay...its a br00tal welt anyway, it totally makes me look soooo much cooler.
Primarily a live device, due to the heaviness achieved, they are often used to whip the crowd into a frenzy, and often incite frantic moshing/hardcore dancing.
Also a term for going batshit insane.
Also notable is Suicide Silence's No Pity For A Coward, which has two consecutive, yet obviously individual breakdowns.
Some bands with some sexy breakdowns?
Remembering Never, Symphony in Peril, Norma Jean, and One Must Fall.
There are many more, but i'm sure you can figure that out.
NGspot: Holy fuck, Call triple A!
NGspot: There's about to be a BREAKDOWN! *turns up the volume*