ONLY the coolest thing a person could possibly do. Playing for keeps requires the totalmanipulation of one's surroundings to further accentuate their own.
Who plays for keeps? I play for keeps. :::::::::
Or... I'm playing for keeps.
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).