https://www.youtube.com/watch?v=q7MCjaJ02eQ
What size neck in inches is considered "big" assuming you are lean?
>>41878013
For some "big neck" is as big as your jaw/head/temple(is this the right name?) depends on the shape of your head, often drawing a straight line, see the video(but then again aesthetics is subjected to your personal features), for some a "big neck" often means it is wider than your head.