Also known as "ottermode" in some English speaking fitness circles.
Visible male musculature from low body fat, or by being athletic. The character may have well developed abs but little else.
The character should look slim or slender, not buff or bulky. Think track and field, not body building.
Do not use together with the muscular tag when describing one character, however, it's appropriate to use this tag in cases of characters with large pectorals or manboobs but non-bulky overall build.
This tag implicates toned (learn more).