Guy's Behavior

PLEASE HELP! First a boy says he likes me. The next day some boys say someone likes me and said something about fucking with someone. What does mean?

So I'm in a two language school. This boy wrote my name in a different language and told me he likes me. The next day, 3 of my diffrent boy classmates tell a little boy to tell me that someone likes me. the little boy said it in a language I didn't know so my friend told me that the 3 boys said someone likes me. Later my friend says something about the 3 boys wanting to fuck with ssomeone. The problem is she's not good at explaining and I don't understand what it means.

PLEASE HELP! First a boy says he likes me. The next day some boys say someone likes me and said something about fucking with someone. What does mean?
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