Linda Hamilton wide jaw
The famous Terminator actress is renown for her square jaw. Still, when you look carefully, the jaw isn't particularly square from the profile. A B minus at most. From the front the jaw angles are jutting because of well developed masseter muscle.
Her overall traits are massive. For reasons other than her jaw angle (nose, upper lip, skin...), I do not find her particularly feminine. There are women with much squarer jaws that are more feminine.
Linda Hamilton had a stunning profile-her traits (jawline) aren't massive, it only seems that way b/c so many people have diminutive, narrow, recessed jaws (due to improper tongue posture growing up and chewing soft foods). All of our jaws should look like this, with the mandible sitting forward, full lips, open airway, etc.
Even this is highly deviant from an ancestral perspective. Her mandible is nowhere near at a 90 degree angle to her ramus, but decidedly obtuse.
The body of the mandible slopes downward when it should approach being parallel to the floor, as a theoretical ideal. This signals vertical maxillary excess. Note how the mandible has grown in accommodation to the maxilla.
Her lip shape is affected by her maxillary deficiency. Note the inferiority of the top lip to the bottom. Nose is also affected, and hence not upturned. The airway is marginally constricted. (Could she breathe completely silently?)
Perhaps this particular combination is the result of good masseter development coupled with suboptimal tongue posture? A conjecture.