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A slang term for breasts. Originating from the idea of two potatoes being smuggled under one's shirt.
"I went jogging without a sports bra and now my shirt taters are so sore."

"When shots get poured at our parties, you're bound to see some shirt taters come out."

"Damn! Look at the shirt taters on her!"
by BoatCrew September 24, 2011