To make a short, sharp, explosive sound. The balloon popped when it touched the sharp edge of the table.
To burst open or cause to burst open with a short, sharp, explosive sound. She popped the champagne bottle to celebrate the occasion.
To move or appear suddenly, often with a short, sharp sound. He popped into the room unexpectedly, startling everyone.
To put or place something quickly or casually. She popped the letter into the mailbox on her way to work.
To take or swallow a pill or tablet quickly. He popped a painkiller to relieve his headache.
To shoot or strike with a firearm or similar device, often quickly or casually. The hunter popped a rabbit before dusk.