1 definition by onlysaneperson

Top Definition
A word made up by an immature, mentally unstable, cruel person to bully and harass someone who isn't fat about their weight, which is one of the most terrible things you can do to a teenage girl.
"I call her butterrush because I got my ego hurt that she won't go out with me, and am projecting and externalizing my shame because I refuse to take responsibility for any of my own faults"
by onlysaneperson November 02, 2011

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