Slip on shoes for men (not loafers, moccasins, or lace-less converse), generally patterned, lace-less, and are canvas or cotton topped. Man flats are commonly worn by scenesters and emos, and are a common accessory to skinny-pants. Although called man flats, man flats are also commonly found on the feet of girls and should still be referred to as man flats.
Eww, those man flats are so horrid!
by Quincy Dutch May 14, 2008
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an old man that can't get a hard on.
I used to could fuck all night but now I'm just an old man with a flat.
by Deep Blue 2012 August 21, 2009
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