Answer posts on all the forums you frequent. Study hard for the next big assignment from the profs. fine-tune your curriculum vitae. start a load of laundry. wash and dry the supper dishes.
about the big assignment from your professor which you completed and turneed in and now you are wondering what to do to kill time. Don't you remember what you posted and deleted 3 minutes ago??
Nope. You're smarter than me. But I didn't delete it. If it was deleted then it should've said (removed) I edited it instead of removing that. Do I want to argue, on that topic with you? NO!