rh essentially can mean many things..

In this definition, RH means Race Header, an exhaust manifold and is illegal to use on US Public Highways and Roads because of the elimination of a Catalytic Converter, which causes green house gas emissions to enter the atmosphere and cause Global Warming. ..But who cares? :)
Jeremy has a RH on his 4 cylinder vtak.
by magnEsium January 7, 2007
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by aaa September 12, 2003
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High school in Rockland, Massachusetts.
Rockland High School, many kids smoke, drink & do drugs. there are very few straight edge kids that go to RHS.
RHS is known for the kids that do drugs, smoke, and drink a lot.
by lilSmitty April 4, 2008
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Rh is short for “right here
Sam- “who wants a tbh?”
Kate- “I want one Rh!”
by Dullower259 October 10, 2017
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RHS is an acronym/ abreviation for "racist homophobic sexist" people and is a complete insult for the most disturbing people.
jim bob: "watchu doin joellio?"

joellio: "roasting this rhs troll on tumblr"
jim bob: "whats rhs?"
joellio: " UGH UR SO OLD JIM BOB!! IT MEANS RACIST, HOMOPHOBIC, SEXIST, CATCH UUUP!"
by no_way__jose___ August 11, 2015
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Wow Willis totally make up a RHS arguement earlier this morning, homeskillet.
by AMillz March 2, 2009
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