First class and Phat

First class noun - Mail that includes letters and postcards and packages sealed against inspection.

Phat and first class are semantically related. in excellent topic. In some cases you can use "Phat" instead an adjective phrase "First class".

Phat adjective - Of the very best kind.

First class and phat are semantically related. Sometimes you can use "First class" instead an adjective "Phat".