Phat is a term that describes something that is even fatter than the standard size of fat. Things that are considered "Phat" contain more potent of the fatness than your everyday "fat". Although Phat is not a proper noun it is almost always capitalized to show the importance of the thing that has the honor of being called Phat. Phat is considered a slur in 23 countries and 6 states.
Person 1: "Did you see Claire's Phat ass?"
Person 2: "I did man, that thing is as Phat as a strip of bacon soaked in grease!"
Person 2: "I did man, that thing is as Phat as a strip of bacon soaked in grease!"
by Y_Daddy March 4, 2021
Get the Phatmug. 
Get the PhAtmug. A big cloud from a vape; usually from a mod, but can be used with other vapes such as Juuls, drops, ect.
by Stonersince04 December 1, 2018
Get the Phat Cloudmug. by dr.house February 11, 2010
Get the Phat Nattersmug. a pair of boobs that are enormously big, but aren't the kind you would enjoy. Often associated with Pancake Nipples.
by trixisforkids3 December 20, 2017
Get the phat tittiesmug. by Amarillo Sunrise June 14, 2016
Get the bust a phat hurrymug.