A gym goer who trains hard with heavy weights and follows intelligent programming and with good diet however isn't that big, muscular, strong, or ripped (compared to fitness models). Short for "Natural", as in, does not use any steroid hormones at all.
"
Fake Natty": A steroid user who says he's a natty
"
Half Natty": A steroid user who takes extremely small doses, is usually also a
fake natty
Guy who doesn't lift but watches a bunch of youtube videos about
Kali Muscle and
Jeff Seid: "Wtf bro you've been lifting for 4 years and you only bench 245? Bitch-azz"
Natty: "Ugh fking aye, I'm natty, try to get there yourself
phaget."