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 4, 2008
Get the chubbaflump mug.