You've Got To Laugh Haven't You?
News6 mins ago
No best answer has yet been selected by Angel41. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Next time it happens at school, tell him to ask the Science Technicians (very nicely) for some cyclohexane.
They won't let him take it away with him, (it's a little bit inflammable), but with a bit of cotton wool / cloth dabbed in that stuff, it will take the gum clean off. Just remind him not to smoke straight afterwards.