PLS HELP ME!! My Student Is Fond Of Sitting Like This In Class, What Can I Do (PHOTO)

Omo mehnnn i am tired 

Na NYSC dem carry me go this school for ooo… So many strange things.
There is one girl in the classroom that sits like this whenever i am teaching 
Honestly dunno what to do next cause i cant handle this anyhow as a Man

See Photo Below:

Pls How Should I Handle This?