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1.
Such a mass display of grief at a funeral (or other mourning/memorial event) that it becomes hard to distinguish whether or not the mourning is faked or legitimate.
Kim: Wow, I just saw a funeral of Senator Rodney today. Over 10,000 people showed up and they were just bawling.

Rob: Yeah, it was a real mourngasm.
by James Gason September 04, 2013