When you are fat and you appear to have more than one chin. In reference to a cat who was rumored to be so obese and digusting it had grown a second chin bone to support its head. The cat spoken of in the rumor was called Fupa.
Damn girl! Look at that Fupa Chin! I can't even count how many chins you have! Go find Jenny Crieg and beg for forgiveness!
by Lolli_Love_Me August 19, 2010