'Delete' can have several different meanings and is very context dependent, here are just a few examples:
When you have demolished your food - deleted
When you have completed a task - deleted (a film/degree/project)
When your friend has scored/died in the club - deleted
WHAT TAKES THE CENTRE STAGE: TO DOWN A DRINK
Example:
A: Hey James, is that beer you have in your hand!?
J: Yeah Austin, a beautiful pils it is
A: Delete it!
J: *look of disdain in his eyes, but also respect - proceeds to drink beer in one go*