Little girl in Rustboro?

[Hyper Knight]

in a house somewhere in Rustboro, there is a little girl and her father asking you to tell her something to make her laugh. what do you tell her? and what do you get if she does laugh? just wondering

[Fredy Rivera]

Making her laugh gives you a new wallpaper for the pokemon storage boxes but i dont know how to make her laugh.

[Hyper Knight]

thanks now that i know what it does, does anyone the word/phrase?