Just burned 2,000 calories. That’s the last time I leave brownies in the oven while I nap.
Definition: “burn calories” – you can make weight loss quicker and easier by increasing your metabolic rate and burning more calories. Metabolic Rate is the rate at which the body burns up calories.
Puns are jokes that use words that have different possible meanings or words that sound alike but have different meanings (called homophones).
In order to understand the joke, you need to be aware of both of the meanings that the word(s) can have.