Faat is another term for the drug, cocaine. It was developed from the laotian language. The term "faat" pronounced in laos means to "hit". It was developed here in the Midwest United States. Faat can be used as a verb or a noun.
Faat as a verb. "Hey, let's go "faat" at your house so we can shag."
Faat as a noun. "Hey, do you have any faat cause it will make her wanna shag."