Past tense of dipping a chip twice into dip.
"Did you just double-dip that chip?"
"You double-dipped the chip."
"Double-dipped? What are you talking about?"
"You dipped the chip, you took a bite, and you dipped again."
"That's like putting your whole mouth right in the dip. Look, from now on when you take a chip, just take one dip and end it."