An action taken half by accident, half on purpose. Mostly used to cover error, but can be used in times of extremeserendipity to brag.
Other usage: on purpodent, purpodental
EX 1
Joe: *trips while trying to jump over a bench - everyone laughs - he jumps up*
Mary: Nice bail Joe!
Jim: You okay?
Joe: Yeah, I did it purpodentally to make you laugh!
EX 2
Mary: *aiming for a target with her bow and arrow, shoots and misses the target, but hits the tree, knocking down a frisbee that's been stuck for 10 years*
Jim: You missed!
Joe: Yeah but we got our frisbee back! SCORE!
Mary: Thanks, it was purpodental.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).