popper

One who or that which pops.
(obsolete) A dagger.
A short piece of twisted string tied to the end of a whip that creates the distinctive sound when the whip is thrown or cracked.
A floating lure designed to splash when the fishing line is twitched.
Either of a pair of interlocking discs commonly used in place of buttons to fasten clothing, a snap fastener.
A device that pops kernels of corn to produce popcorn.
A stuffed and usually breaded jalapeño.
A looner (balloon fetishist) who prefers to burst balloons.
(informal) A capsule of amyl nitrite, a recreational drug used during sex.
(informal) Amyl nitrate.