Drink Kool-Aid straight from the package and you'll get a stomachache.
Swallow gum and it will entangle your intestines.
Eat raw cookie dough and you'll get a tummy ache.
If you make yourself burp, you'll throw up.
If you eat watermelon seeds, your stomach will burst.
If you swallow apple seeds, a tree will grow in your stomach.
If you don't eat your vegetables, your intestines will shut down and you'll
have an awful tummy ache.
If you eat your finger nails, they'll keep growing in your stomach until they
cut through your skin.
If you don't chew properly, you'll end up with a hole in your stomach.