I have sone ideas like
/laugh
SHREK53 HAS JUST LAUGHED IN YOUR FACE
/fart
SHREK53 HAS JUST FARTED AND BLAMED YOU FOR IT
/whisper
SHREK53 HAS JUST WHISPERED YOUR DEEPEST DARKEST SECRET INTO YOUR EAR
/shush
SHREK53 HAS PUT THERE FINGER OVER YOUR MOUTH AND SAID SHHHHHH