Q: phat とはどういう意味ですか?
A: It is a slang spelling and usage of fat. It has a habit of being misunderstood as an insult and fell out favour for that reason.
Q: phat とはどういう意味ですか?
A: "Excellent"
A phat and funky sound.

It is a vernacular for "fat"
Q: Nice phat とはどういう意味ですか?
A: "Phat" is not a real English word. Unless you're referring to "fat". In that case it could be that it means to compliment someone's fat as in stomach fat or something like that. Also sometimes people will spell "fat" with a "ph" as a joke or as slang.
Q: phat とはどういう意味ですか?
A: Very old slang for cool. Almost no one says this seriously any more. That was one phat vacation! Also slang for Pretty Hot and Tempting. That girl is phat. But seriously it sounds old and silly nowadays.


Q: phat を使った例文を教えて下さい。
A: Phat is a slang that means awesome, or sexy. The letters are supposed to mean Pretty Hot And Tempting.

Those jeans are phat!

It is not as commonly used anymore, but some people still say it.