"Shit." A phrase said when any form of life in the world realizes he or she is royally boned up the rectum or any other somethingorotheryoucanthinkof by something they needed to do but totes blew off. This phrase can occasionally can be found after any form of procrastination, procrasterbation, etc.
Relative to phrases like shit!, oh fuck, uhhh I'm screwed, and goddammit.
Hector D. - Shit.
As he realized/remembered he had about 10 pages of writing to handle and projects due virtually one day after the other or all at once, after he finished watching a random youtube video.
Sometimes commonly followed by the phrase "I need comfort bacon."