I want just revenge.what can i do?

my name is rifat.age 20. i am very quiet person.i can say very"introvert".so..my friend sometimes tease me abut many purpose..but i cant give any feedback.so i am very frustrated.2day one of the my cl mate told me *** head.i felt angry.but didn't react.that's my prob.i cant give any strong reaction.so people always make fun with me.what can i do?.also..i am in university..but i cant make any good close friend.can i take revenge....i am now fellimg very angry..i wish i get the boy and smack him