Walk up to a random person in the mall or where ever you are and say " oh Fred oh Fred your My best friend".
Walk in the bathroom and start talking to some one in the stall.
When a random person tell you to do something do the opposite or mimic them.
Walk up to a random person and say "your my new friend" kick them and run.
Walk in a store and start dancing randomly make sure people look at you then start dancing toward them.
When you are in a restaurant but In someone's conversation and say "I see how do you feel about that".
Walk up to a random person when they are opening a door and say "ah push it" "push it real good". When a person looks at you look at them and say "I'm watching you".