Top Definition
A male or female who is abnormally large in weight / size. Associated normally with friendly people as it is such a nice word.
"he is is a chubbaflump"

"that lady used to be hot, but now she is a chubbaflump"

Scott: How is your girlfriend nowadays mate? She still fit?
Sam: Nah mate, she is a chubbaflump now
Odette: What you call me?
Sam: Shut up and sit yo fat ass back down
by Sam Cornwell March 04, 2008
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