Your eyes will get stuck like that. (If you crossed your eyes).
If you swallow that gum, your insides will stick together.
If you swallow that watermelon seed, a melon will grow in your stomach.
If you crack your knuckles, they're going to get big when you are older.
You have to wear clean underwear in case you are in an accident.
If you put your hands up over your head (when you are pregnant), the cord will wrap around the baby's neck.
Don't let the cat into the nursery because it will smother the baby.
If you lie with dogs you're gonna get fleas.
Just wait 'til your father gets home.
I'll give you something to cry about.
Where did our folks (at least mine) come up with some of these?