shelby: *sends picture of cat*  joe: *sends another picture of cat*  *three days later*  joe: shelby, you lose the game of catting
when an individual randomly exchanges a cute picture of their cat to another person
"shelby: *sends picture of cat*  joe: *sends another picture of cat*  *three days later*  joe: shelby, you lose the game of catting" What is the definition of "catting"?