What does bowel shutdown mean?

bowel shutdown meaning in Urban Dictionary

This is how your bowels instinctively shutdown if you're preparing to bypass a friends/family people house.Don’t ask how it happens it simply shuts straight down, I believe it a variety of embracement and pure anxiety (concern about appearing like an ass) that creates a shutdownIt’s a rare skill and certainly will simply be feasible for a couple of days (not for longer than 3 days maximum should you you'll completely shag your bowels)This unusual talent is very great when you don’t want to take a shit, dump or poo (what you may feel proper) around a family people house (especially when you have-not seen all of them for quite some time, or whenever around a friend’s residence who’s sister is hot therefore don’t need embarrass yourself by stinking out the bathroom.