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
1 more definition
Any item which a male uses to "clean up" on ("cleaning up" in the art of wiping the cum off your know abter a wank).
Dude, that's my mini-league glove, don't use it as a fuckin' manrag!
by Poon-Master Phoenix September 03, 2003