Re: What terrible things have you taugh other people's children?
Taught my friends 5 year old "thats what she said" Had him running around all day saying it in response to everything we could come up with. Greatest day ever, especially since his mother was coming to pick him up in a few hours from the time he really got the hang of it. Dad was shitting bricks that he was gonna say it to her!!
And just last week I told him that his cold sore on his lip was herpes and that he needed to ask mommy for herpes medication. Now when I ask him hows his lip he just yells at me "its not herpes!!!!"