ET

To ingest; to be ingested.

To use up.

To cause (someone) to worry.

Example: "What’s eating you?"

To take the loss in a transaction.

To be injured or killed by (something such as a firearm or its projectile), especially in the mouth.

To corrode or erode.

Example: "The acid rain ate away the statue.  the strong acid eats through the metal."

To perform oral sex (on a person or body part).

Example: "Eat me!"