JAT is a game played with friends when out at a pub or club. Participants take turns creating as accurate as possible theories about strangers, and as the night goes on, see whose theories come true. JATTING is the verbalizing of the theories, and once you have created a theory about someone, you have JATTED them.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

a fat ass in NY slang

A dance move where you do a fistbump in a vertical position repeatedly to show excitment

1. To clean yourself using your own saliva, like what a cat does, except what Jat does.

2. To cut someone off while walking in a group.

3. To try to make friends with someone by following them around 24/7

A single Jatz biscuit.

Jat is a word which signifies that the person was just owned, destroyed, humiliated, embarrassed, or outright made a bitch. It is done with a patting motion of the hand, the arm extended fully if possible, toward the subject of the Jat, be it oneself or someone else. The hand is waved up and down multiple times while saying Jat.