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mug(12) (iou)



mug verb6 intrans. slang (chiefly Canad. & Nautical). Infl. -gg-. M19.
[Origin unkn.]
Foll. by up: eat heartily; also, have a snack, any meal, or a hot drink.
Comb.: mug-up a snack, a meal, a hot drink.