mua:possible meanings:e-mail client (mail user agent) makeupalley (one of the largest beauty communities on the web. see ) make-up art**t malaysian urological association malicious user activity management user agent manipulation under anesthesia maritime union of australia marvel: ultimate alliance materials usage agreement maximum usable altitude measurement uncertainty analys** medical university of the americas medically underserved area memorandum of understanding and agreement meritorious unit award, of the united states air force military utility assessment modes users association motorized unit of action multiattribute utility analys** multi-unit activity multi-user adventure multi-user agent mua, sound made when "blowing a k**s 20210311