Hi Thatman, I am turkish. Tuğberk is a turkish male first name. I don't know what it means. Even if it has a meaning it is only used as a first name.
It is pronounced as in here:
https://www.youtube.com/watch?v=E_3WJKarkUI
When I read your post I noticed that you always sounded like a turkish guy to me.
Hope this helps.
