(noun) + lower intestinal tract surrounding the anus This word is very well known to gays. It is a very visual descriptive word which shouldn't need too much explaining. An example of its usage is, "Hey Bobby.....you want to ride down my hershey highway?"
HERSHEY HIGHWAY
Meaning of HERSHEY HIGHWAY in English
Slang English vocab. Английский сленговый словарь. 2012