Dust
Updated: 11/13/2018 by Computer Hope
Dust may refer to any of the following:
1. In general, dust is a fine powder of dirt, pollen, waste, and other particles that float through the air and covers surfaces. Over time, your computer will collect dust, dirt, and hair that build up and cause issues with your computer and peripherals.
2. Short for did you see that, dust is chatslang sometimes used in chat and text messaging.