oop

exclamation2

1. •
   (informal) Used to acknowledge a small mistake or accident.
2. •
   (informal) Used to indicate mild surprise or shock.

verb1

1. •
   (informal) To use object-oriented programming for a task.

adjective4

1. •
   Initialism of out of print.
2. •
   Abbreviation of out of pocket.
3. •
   Initialism of out of position.
4. •
   Abbreviation of out of process.

noun3

1. •
   Initialism of object-oriented programming.
2. •
   (Internet) Initialism of original original poster (“the creator of quoted material”).

   • Everyone here is mocking OOP, but I think he has a point.
3. •
   Initialism of order of play (“the schedule of contests in a tennis event”).