1. tv. to hit or strike someone. She popped him lightly on the shoulder.
2. mod. popular. This style is very pop.
3. n. popular music. I like most pop, but not if it’s too loud.
4. and a pop n. a time; a try; a piece. (Always with a in this sense.) Twenty dollars a pop is too much.
5. tv. to take or swallow a pill, tablet, or capsule. Here, pop a couple of these.