April Fool's day is quickly approaching, so it's time to think out different tricks to play on your colleagues and friends.
I know a funny trick, which would like to tell you! If you won't have other ideas, be free to use it!
Thoroughly rub clean the receiver (the part, which is applied to ear) and put lipstick on it, only the lipstick should be the kind, revealing itself only on body... It would be better to picture silhouette of lips. Thus, when the "victim" speaks by phone, the lipsticks will imprint on his ear. Moreover, such lipstick is usually rather proof, so for sure "signs of kisses" will keep on the victim's ear for a long time, till he returns at home.. And then... Ops...