<p><strong>Verb</strong></p><ul><li>(used without object) popped, pop·ping.</li><li>to make a short, quick, explosive sound: The cork popped.</li><li>to burst open with such a sound, as chestnuts or corn in roasting.</li><li>to come or go quickly, suddenly, or unexpectedly: She popped into the kitchen to check the stove.</li><li>to protrude from the sockets: The news made her eyes pop.</li><li>Baseball: to hit a pop fly (often followed by up).</li><li>to pop out.</li><li>Informal: to be bright or prominent, especially as against something less distinctive: I love how the colors pop against the neutral walls.</li><li>to shoot with a firearm: to pop at a mark.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) popped, pop·ping.</li><li>to cause to make a sudden, explosive sound.</li><li>to cause to burst open with such a sound.</li><li>to open suddenly or violently: to pop the hood on a car; to pop the tab on a beer can.</li><li>to put or thrust quickly, suddenly, or unexpectedly: He popped the muffins into the oven.</li><li>Informal: to cause to fire; discharge: He popped his rifle at the bird.</li><li>to shoot (usually followed by at, off, etc.): He popped off bottles with a slingshot.</li><li>British Slang: to pawn.</li><li>Informal: to take or swallow (pills), especially in excess or habitually; take orally in a compulsive or addictive way: Popping all those pills will land him in the hospital.</li><li>to eat in a continual or thoughtless manner, as snack foods: popping peanuts at the movies.</li></ul><p><strong>Noun</strong></p><ul><li>a short, quick, explosive sound.</li><li>a popping.</li><li>a shot with a firearm.</li><li>Informal: soda pop.</li><li>a drink or portion of an alcoholic beverage, as a drink of whiskey or a glass of beer: We had a couple of pops on the way home.</li><li>Baseball: pop fly.</li><li>Informal: a bright or prominent burst of something: Citrus can add a pop of flavor.</li></ul><p><strong>Adverb</strong></p><ul><li>with an explosive sound: The balloon went pop.</li><li>quickly, suddenly, or unexpectedly: Pop, the door flew open!</li></ul><p><strong>Adjective</strong></p><ul><li>Informal: unexpected; without prior warning or announcement: The teacher gave us a pop quiz.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>Baseball: to be put out by hitting a pop fly caught on the fly by a player on the opposing team.</li></ul><p><strong>Pop-in</strong></p><ul><li>Informal: to pay or buy for oneself or another, especially as a gift or treat; spring for: I'll pop for the first round of drinks.</li><li>Baseball: to hit a pop fly.</li><li>Informal: to die, especially suddenly.</li><li>to depart, especially abruptly.</li><li>to express oneself volubly or excitedly and sometimes irately or indiscreetly: He popped off about the injustice of the verdict.</li></ul>