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2.
noun. A chain of events leading to the ruin of one's state of contentment.
"Dude, that cop tailing us is making me nervous."
"Yeah, he's being a total harsh-mellow."
by s0meguynamedjim March 31, 2010
 
1.
n.
1. A person who is a buzzkill.
2. One who harshes another's mellow.
Gary always causes drama when I'm trying to relax. He's a total harshmellow!
by CeeFour August 06, 2007