(n) A person who ruthlessly adheres to specific fashion to appear cool and/or trendy, but abuses it to the point that it is humorous for others and/or destructive to one's own integrity.

(v)The act of abusing a specific fashion to the point that it is humorous for others and/or destructive to one's own integrity.
Don't make your hair purple, take off your spiky arm bands and that damn Fallout Boy shirt, and then I'll stop calling you a trendhumper.

--or--

Stop trendhumping and put your damn collar down.
by Dr. Johnny Whistletink February 23, 2006
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