A person who has a largemass of body weight, no social life, is of a low class & enjoys eating, goes by the nickname of Reboċċa, which is very commonly said on the Island of Malta.
Someone's feeling when embellishing their physical activity. It is a play on the word "confidence", as it's directed at physically weak people who yearn to be like their superiors.
Michael showed a lot of confitness, as he breathed heavy so people would think he was lifting weights.