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1.
A tatoo above a womans pussy or pubic area. Opposite of a tramp stamp.
"When I seen her tramp stamp I thought she was easy ,but when her shorts came off I seen her humper sticker read next"
by tewsday June 19, 2010
 
2.
a tattoo just above the butt on a woman.
I thought she was very classy, then she bent over and I saw her humper sticker
by desertironwood October 07, 2008