mag1
¦ noun informal
1. a magazine.
2. magnesium or magnesium alloy.
3. a magneto.
4. magnitude (of stars or other celestial objects).
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mag2 Austral./NZ
informal
¦ verb (mags, magging, magged) chatter incessantly.
¦ noun a gossip or chat.
Origin
C19: orig. Engl. dialect; related to
magpie.