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Meaning of pop-top

pop-top

Pronunciation: (pop'top"), [key]
— adj.
  1. (of a can) having a top with a tab or ring that when pulled up or off exposes a precut hole or peels off the entire lid.
—n.
  1. a can having such a top: drinking beer from a pop-top.
  2. the top itself.
  3. the tab or ring fastener, esp. when removed from such a can:Also called a vest made entirely of pop-tops.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.