math teacher

i heard about my maths teacher make head(buat kepala) time her period.. my friens say she use permanent marker on whiteboard... what the hell... what wrong with her... my friend also say that she say '' keje saya menulis , awak yang padam. pandai2 la padam sendiri.'' apahal do... first time in my live i have that kind of teacher teach me... so KERAS KEPALA !!!