an informal way of speaking or texting, which is usually the result of years of getting hit in the head, where the practitioner commonly uses words that don't belong in place of ones that do. The person using a Clintism will believe that there is nothing wrong with the way they speak or spell. Most common is replacing the word "that" with "what".
e.g. "Looking for a phone whats work."
The practitioner will also spell words how they sound while texting. This often results in the practitioner's phone to auto correct right words to the improper ones.
e.g. " I mite get done early."
That guy with brain damage has really picked up Clintism lately.
A grim but cool phrase or expression generally associated with most of the characters played by Clint Eastwood.
"Do you feel lucky punk?" - Dirty Harry
"Don't cut up or otherwise harm anymore whores or I'll come back and kill every one of you sons of bitches!" - Unforgiven.