A fork of Rural Dictionary
Antacid/Calcium supliment. Used to treat upset stomachs, heartburn, acid indigestion. 10 calories, 3g of sugar, 800mg of calcium, 10mg of sodium.
Child: My stomach hurts so bad :'( Mother: Here, take some tums!
Short for "tummy" or "stomach".
"Always room for one more crisp in your tum."
a chewable substance, high in calcium and used to combat the belly fire
belly fire? Pound six tums and come meet us at the bar