The act of taking a shit when a log hits the cold water and immediately splashes back up at your asshole creating a "wink". Probably one of the worst things ever...
Abacus: hey BJ ill be right back ima go take a shit BJ: cool have fun
Abacus: AHHHH!
BJ: what happened? are you ok?
Abacus: ya, just a log and a wink
BJ: oh understandable
"okay, nanny quits no sweat. it just so happens to be national take-your-infant-daughter-to-work-while-you-desperately-try-to-hire-a-new-nanny-and-neither-one-of-you-has-slept-a-wink-day"