use something Nintendo-related to make up an insult.
Don't direct it at anyone specific, unless you have their expess permission.
* You're weaker than a lv 5 magikarp!
* You're mustache is on crooked!
* You're more pestering than navi!
* You eat more than kirby!
* You have never been pk loved!
* You fail at doing the barrel roll!
* You can't grow pikmin!
* You can't side-step Goldeen!
* You can't take over a city!