muscular female
筋肉娘 筋肉女 筋肉女子 musclegirl メフレックス
A female character with visibly developed muscles that must have come from extensive training, body building or otherwise.
Muscular females usually have overall enlarged musculature, leaving the character looking thicker and more masculine without removing all traces of femininity. It's not just well developed abs. Look for thicker arms, legs, torsos, the whole deal.
Don't tag toned characters as muscular. If the character has an athletic build that's not overly bulky, use toned instead.
Don't tag female characters intentionally drawn to look like men (e.g. Cho Marisa with a beard, a woman drawn to look like Kenshiro, etc) as muscular females.