pop 1 
(pŏp)
(pŏp)v. popped, pop·ping, pops
v.intr.
1. To make a short, sharp, explosive sound.
2. To burst open with a short, sharp, explosive sound.
3. To move quickly or unexpectedly; appear abruptly: At last the cottage popped into view.
4. To open wide suddenly: The child's eyes popped with astonishment.
5. To have the eustachian tubes open suddenly, equalizing pressure on both sides of the eardrum in response to changes in atmospheric pressure, as in a descending airplane: After I swallowed, my ears popped.
6. Baseball To hit a short high fly ball, especially one that can be caught by an infielder: popped out to shortstop.
7. To shoot a firearm, such as a pistol.
8.
a. To be exciting: a club that really pops at night.
b. To be visually striking: a logo that really pops.
v.tr.
1. To cause to make a sharp bursting sound.
2. To cause to open with a sharp bursting sound: popped the hood of the car to check the oil.
3. To cause to explode with a sharp bursting sound: popped the balloon.
4. To put or thrust suddenly or unexpectedly: "popping a crisp plump shrimp into her mouth" (Kathleen Winsor).
5.
a. To discharge (a firearm).
b. To fire at; shoot.
6. To hit or strike: popped me on the head.
7. Baseball To hit (a ball) high in the air but not far.
8. To release (a clutch) suddenly.
9. Slang
a. To take (drugs), especially orally: "To calm a case of the jitters ... the bride popped Valium" (People).
b. To have (a drink): popped a few beers after work.
10. Slang To take into legal custody; arrest: "Her friend was visiting and got popped for a DUI while he was driving her car" (Jamie Harrison).
n.
1. A sudden sharp, explosive sound.
2. A shot with a firearm.
3. Chiefly Midwestern US See soft drink. See Note at tonic.
4. Baseball A pop fly.
adv.
Phrasal Verbs: 1. With a popping sound.
2. Abruptly or unexpectedly.
pop for
Informal To pay for: I'll pop for the video if you buy some snacks.
pop in (or by)
Informal To visit briefly: just popped in to say hello.
pop off Informal
Idioms: 1. To leave abruptly or hurriedly.
2. To die suddenly.
3. To speak thoughtlessly in a burst of released anger.
a pop
Slang Apiece; each: Tickets to the benefit were $100 a pop.
pop the question Informal
To propose marriage.
[Middle English poppen, from pop, a blow, stroke, of imitative origin.]