when i was between the ages of 14-20 or so I was around 180-195 with body fat at least 20-22% at all times during those years, and I have been 6'5'' since age 15.
You can be both skinny and fat at the same time, it's painful! You look skinny with cloths on, but you, well you hope only you, know that you are also 12-20 lbs overfat underneath those cloths, was a miserable time.
Small bones can be disceiving