1 definition by kiley hamre
to be a killjoy. to ruin someone's happiness, whether they are drunk, or just really happy, with sad news or drama.
mellow, in a good mood, then someone tells you something saddening. u harshed the mellow.
"dude. your house is on fire."
"damn. you totally harsh my mellow."
"dude. your house is on fire."
"damn. you totally harsh my mellow."
by kiley hamre November 7, 2007