(Masturbation Induced Arthritis) An acute inflamation and/or repetetive motion injury in the wrist and forearms, caused by severe repetetive self pleasuring masturbatory episodes. Usually occurs in teenage to young adult males.
Severe cases require patient to avoid any and all sexual stimulation. Very often mistaken or misdiagnosed as carpal tunnel syndrome or tendenitus, or tennis elbow.
I can't play hockey today cuz my "M.I.A." is acting up.