The name given to any guy who has sex with a slut named Heather. It is most popular in the northwest region.
(Lily): Wow, that guys pretty cute...
(Sara): Yea, but I wouldn't lay a hand on him.
(Lily): Why??
(Sara): Because he is a know Heather Humper.
(Lily): Yuck. Nevermind, I don't feel like catching an STD.
by yay4meeh August 27, 2008
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