A punster is someone who enjoys making jokes and playing with words. The term can be broken down into three parts: WAG, WIT, and CARD. WAG stands for 'wise-cracking, ' which is a type of humor that relies on quick WIT and clever wordplay. WIT refers to the person's intelligence and ability to think quickly and come up with clever jokes. Finally, CARD refers to the person's ability to use language in a creative way, often by making puns or other wordplay. Together, these three elements make up the definition of a punster.