mag

Concise Oxford English Dictionary © 2008 Oxford University Press:
mag1

▶noun informal

• 1 a magazine.

• 2 magnesium or magnesium alloy.

• 3 a magneto.

• 4 magnitude (of stars or other celestial objects).

Concise Oxford English Dictionary © 2008 Oxford University Press:
mag2 Austral./NZ informal

▶verb (mags, magging, magged) chatter incessantly. ▶noun a gossip or chat.

– origin C19: orig. Engl. dial.; rel. to magpie.