Having no clothing on ur body whatsoever except for socks. In this case, it is not prounounced as NAY-ked but as NAHKED with a soft "a".
This usually occurs when a man seduces a women or when a really fat woman just cant get her god damn socks off.
Lafawnda: O god! Your butt nahked!
Jeremiah: You like?
Lawfawnda: Hella Yea!!!!!
Damn Im butt nahked rite now...I need to lose some weight