muscle baby

One who was once skinny, frail, and weak then was taken by a muscle daddy (swole sensei) and buffed up.
"Why is Rich working out with us?"
"He's my newborn muscle baby."
by thePOGlife February 04, 2015
Get the muscle baby mug.

Baby Muscles

A.A.C.D , basically weak
pumping serioids

no talent
weak
"omg look at baby muscles over there
he must have been taking steriods last night"
by thanamelessone December 07, 2009
Get the Baby Muscles mug.