Natty

Adjective / UK Slang

Natty refers to someone whose muscle gains are natural, not aided by the use of steroids or performance-enhancing drugs.

Example: “He’s proud to be natty and build his physique naturally.”
Means: “He’s proud to have gained muscle without using steroids.”

Example: “I only follow natty bodybuilders for inspiration.”
Means: “I only follow bodybuilders who don’t use steroids for inspiration.”