mag
noun
[ maɡ ]
• a magazine (periodical).
• "the bestselling rock mag in Britain"
• a magazine (of ammunition).
• "I've only got one spare mag for the Browning"
• magnesium or magnesium alloy.
• a magneto.
• magnitude (of stars or other celestial objects).
mag
verb
• chatter incessantly.
mag
noun
• a gossip or chat.
Origin:
early 19th century: originally English dialect; related to magpie.