portmanteau of "smug" and "ugly." describes a person who is ugly, yet has the sense of entitlement, superiority complex and impatience for others that one would traditionally expect from a dimepiece.
usually applies to ugly girls whose rich parents feel sorry for them and overcompensate by spoiling them senseless
Jon R: Oh... sorry man. Did she at least have a good personality?
A word to describe ugly women on twitter that attack others on Twitter over stupid opinions, cry about getting backlash, and threaten to kill themselves. Rinse and repeat.