Urroh SG Ya very funny. To us growing up boys, it is enough to have an pretty teacher somemore boys school.. U go rape yr teacher la! Wah liao.
XciteZ SG the worst childhood prank I see is someone putting a live tadpole into my water bottle luckily never drink sia... or else turn frog prince or toad !
seow SG I remember someone mentioned one. Give the unsuspecting teacher to spread on the plastic dish thingy during science practical.