1 definition by Philly McG

Where homosexual Bostonians go to experience random anal sex. Homosexuals who go there are known as "Fen Men".

The Park is unlit and unpoliced at night, adding to the success of the Fen Men.

Also known as the Back Bay Fens. It is located in Boston, MA.
"I heard Mike went down to the Fens to get raped up the ass."
by Philly McG August 17, 2007
Get the The Fens mug.