1 definition by Ggggggg
A time when a man's hormones are in a state of inbalance. The male equivalent of PMS, although it happens less frequently, though generally still on a cyclic basis.
"I saw Chris walking home with a case of beer and a rented copy of 'The Deerhunter'. Dude's totally on his Man Rag."
by Ggggggg January 29, 2008