Op Till You Don't Drop

Op Till You Don't Drop is a medal in Plants vs. Zombies: Battle for Neighborville. It is awarded for completing a round of Ops in Town Center without dying.

Origins
Its name is a pun of Bop till You Drop, Ry Cooder's eighth album, released in 1979.

Description
Sundrop Hills' most famous resident is a large pigeon named Squeezy. It's said that Squeezy will sing her "Cautionary Coo" at the first sight of zombies. So here's to you, Squeezy!