When a person is both quick and witty. They have the ability to make a room of people laugh very easily.
Jane's response to John's comment about horses was quitty
The use of the phrase "That what she said" can sometime be described as quitty, however the statement can also be a complete cliche. It all depends on the timing and the statement.
1. The way one feels at work on a particularly bad day; feeling so shitty about what you do and how you do it that you want to quit.
He came to complain to me about the lunch order again and the whole thing just made me feel so quitty!