Knock-kneed a. : Having the legs bent inward so that the knees touch in walking.

Example:
Whats the first thing that comes to mind when you see a person walking Knock-kneed?

Taxonomy
Genu valgum, knee, free encyclopedia, legs, knock knees, valgus, deformities, adults, knee problems, knee replacement, patella, extension, flexion, search, external resources, knock-knees, one another, Females.

Defination from the web:
... Generally, there is no known cure for knock knees post-childhood.[citation needed] Contrary to common belief, no amount of orthotic treatment or ...