You know you have stuff coming up, whether that be important exams, a deadline due, your boss needs you to submit files to them, but you say "fuck it, imma just have a burger and a coke". This act is usually exercised with friends where you all collectively slack off and do anything that is remotely unproductive.
"Yeah, so the assignment was due at 5pm yesterday, but me and Rajdeep were just ended up big birding outside the coffee shop for a few hours"