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The act of cramming ones own feces into the complimentary hotel hair dryer so that the next unsuspecting person to use it gets a head full of brown highlights.
The hershey highlighter should only be used at seedy grungy hotels that you will not be returning to and at the same time encouraging the next guest to seek other hotels for future occasions.
"This hotel was kicking us out and i decided to leave a hershey highlighter in the room."

"Jane i really love how those hershey highlights bring out your eyes"
by Dirty Scoundrel March 02, 2007
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