A pat given in order to make someone feel better, usually done over text since you're not there to give it in person.

when you're hungover as shit after a spending a night drunk as a skunk

To give a "pat pat"
when u hit someone's top of the head softly, with open hand, usually to make compliments, generally used with animals or kids.

Patpat is a nice name for your kid.

Jep Robertson's definition of sex.

Two consecutive gentle taps on the fleshiest part of the buttocks.