Pop

A pop is an onomatopoeic term for a quick sharp explosion.

Pop or POP could also mean:

Computer science
 Partial-order planning, an agorithm
 Post Office Protocol, Internet protocol used for E-mail
 Pop, an operation on a Stack

Food and drink
 Corn Pops, breakfast cereal
 Pop, carbonated soft drink
 Pop (frozen snack), snack on a stick or in a plastic or cardboard sleeve made from fruit juice or sugared water
 Blow Pops, Tootsie Roll brand
 Caramel Apple Pops, Tootsie Roll brand
 Jiffy Pop, popcorn product
 Pop Secret, well-known brand of popcorn
 Tootsie Pop, hard candy lollipop with a Tootsie Roll filling at its center
 Pop Tarts, a flat rectangular toaster pastry

Entertainment

 Prince of Persia, video game series
 The Planes of Power, expansion pack to the MMORPG EverQuest

Music

 Iggy Pop, American punk rock singer and actor
 Pop (album), 1997 album by U2
 Pop music, type of popular music

Acronym
A Point of Presence, where two communication interfaces meet.
The Post Office Protocol, a computer protocol to get electronic mail
Persistent organic pollutant, a kind of chemical substance
Progresterone only pill, a contraceptive for women
One of two operations that can be done on a stacĸ; pop removes the top element. The other one is called push, and puts on an element.

Other
 Pop (television channel), children's television channel in the UK
 Snap, Crackle and Pop, the three animated mascots of Rice Krispies cereal
 Pop, the male parent or grandparent of a child
 Pop, the first month of in the Maya Haab' calendar
 Pop art, visual artistic movement that emerged in the late 1950s
 Pop culture, the vernacular culture that prevails in any given society
 Pop icon, popular celebrity
 Point of Purchase, retail display design for retailers and brand owners.