look up any word, like cunt:
One who is fat, resembling a hippopotamus, and also a twat. Can be used in place of Fat Bitch by individuals that enjoy a more creative insult.
Jennifer just ran down a group of children with her mobility scooter to get to the last box of Twinkies at the Wal-Mart. What a twatopottomus!
by sarcasticjew June 23, 2011