Things to Do with "smell"
1) Walk up behind someone smell their hair really loudly and say 'your hair smells like strawberries' then just walk away like nothing happened.
2) Watch your friend in there sleep and when they wake up say " you smell different when your asleep."
3) Sneak behind a person and smell their clothes, when they turn around just wave at them and walk away.
4) Type fart smell on a calculator with letters on it and set it on your friend's desk.
5) Pretend you smell something gross, then see how many people hold their nose.