21) Start singing baby rhymes in class.
22) Casually mention that your teacher looks ever-so-slightly pregnant. Even if your teacher is a male. Especially if he's a male
23) Draw rude pictures on the blackboard. Refuse to rub it off.
24) Every time your teacher says somethings‚ snigger as though you thought it was stupid or rude.
25) Complain about period pain. Say you need help in the bathroom. Look towards your teacher pointedly. (It's better if he's male.)
26) Wear your pyjamas to class. Proceed to fall asleep on your teacher's desk.
27) Dirty dance on your desk. Yodel loudly.
28) When your teacher sits down‚ make a farting noise with your mouth/arm. Or use a whoopie cushion. Proceed to laugh loudly and sing‚ "My teacher farted‚ la la la!" in a baby voice.
29) 'Forget' to turn up to detention. Or turn up late. Don't apologise.
30) Ask if your teacher is married. Before he/she can answer‚ say‚ "Silly me‚ of course you're not. But it's okay to be ugly‚ Shrek could use a friend like himself."