A basic combination of the insults minda and retard. Due to its absurdity (or perhaps the reason for it), the resulting word is more jocular than offensive.

Note: More popular than the alternative combination: reda.

the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower

minda+retard,a fool who acts like a minda, metally challenged, metally disabled