Carbo bloating
From Openwaterpedia
noun - Carbo bloating is a slang term for eating too much, especially around the holidays and if no other physical exercise is performed. According to the Urban Dictionary, it is also the resultant feeling of unease from ingesting too many carbohydrates in the days leading up to a marathon. Excessive carbo bloating can lead to whale girth or a build-up of fatty bulges along the sides of the body at the waist.
In the build-up to his channel swim, he was doing a lot of carbo bloating.
Origin
Urban Dictionary circa 7 January 2013
