eat up Meaning, Definition & Usage

1. verb finish eating all the food on one's plate or on the table
   finish; polish off.
   
   • She polished off the remaining potatoes
2. verb use up (resources or materials)
   exhaust; consume; wipe out; deplete; use up; eat; run through.
   
   • this car consumes a lot of gas
   • We exhausted our savings
   • They run through 20 bottles of wine a week
3. verb enclose or envelop completely, as if by swallowing
   swallow; bury; immerse; swallow up.
   
   • The huge waves swallowed the small boat and it sank shortly thereafter

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