Definition

A phase of intentionally eating in a caloric surplus to gain muscle mass, accepting that some fat gain is inevitable. Permission to eat like you're training for hibernation.

Example Usage

I'm currently bulking, which is either strategic muscle-building or an elaborate excuse for my burrito consumption—TBD.

Origin

Bodybuilding methodology from the mid-20th century, formalizing seasonal eating patterns

Fun Fact

The dreaded 'dirty bulk' involves eating anything and everything, while a 'clean bulk' maintains nutritional quality—both end with you buying new pants.

Source: Bodybuilding and nutrition terminology

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Going all out with zero hesitation and even less planning, the fitness equivalent of running into battle without checking if you're wearing pants. It's maximum effort meets minimum forethought, and somehow it works about half the time.

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touch-and-go

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dirty bulk

A weight gain phase with no regard for food quality, eating anything and everything to maximize caloric surplus. The freshman year of college approach to muscle building.

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specificity principle

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