An adult diaper kind of night

A phrase used when emphasizing the commitment to the grind, so committed you have no time for even subtle bowel movements. The phrase can also be used when describing how a rather uncooperative food or drink might unsettle the stomach to the point of a bowel movement within the pants

Brad: yo you trying to grab some tequila shots before the game?

Chad: eh man idk, it’s looking like an adult diaper kind of night

Jenna: I got a 5 page paper due at 8am and I haven’t even started, it’s looking like an adult diaper kind of night.