What is Thang Thang?
1.
a penis of a small child
that boys thang thang is hanging out.
See
2.
an attraction so strong that it is unable to be expressed, above and beyond swagger; you are unable to keep your eyes and/or hands off this person whenever they are around.
Girl,it's somethin bout Demetrious he got that thang thang!!
See
3.
An unknown variable 'x'
Well thang thang is like ya know, when you, uh, you know, thang thang.
See