Explain that when you break up, you want a real break. Let them know you need your space as well.
If you have an xbox or playstation let them play on it and that will keep them entertained for a long time and it will keep them from annoying you.
You get rid of a annoying flea mite by hitting it so hard that it starts to cry and cry
just go away
throw it off a skyscraper, won't be annoying after that.
Try being a less annoying niece.
Say that you love him. He probably has a crush on you.
Punch her in the tummy.
Don't use that company or store
say can you go away because you have been annoying me all bloody day you annoying idiot
You can get rid of someone annoying by telling them to shutup, or you can just tell on them , but i think that is baby thing so, and you can beat them up! I would rather tell them to shutup, or beat them up.
use a nuclear blaster. Shoot her.
tell them to eat their sundaas(potty) tell them to eat their snooki.