phlat Share definition Flag Used to describe a girl who is flat chested but still pretty some guy: DAMN that chick could be a dude. She has no tits! some other guy: she's fuckin hot man. shes PHLAT. phlat by bulls and trees December 8, 2006 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug