as a football player, he was quite buxom with his big, round chest, his thick arms and legs, his ample butt, and the solid muscles underneath
healthily [plump], filled-out, [thick]-bodied and ample, neither thin nor fat
"as a football player, he was quite buxom with his big, round chest, his thick arms and legs, his ample butt, and the solid muscles underneath" What is the definition of "buxom"?