eat up

verb

1. 1

   use up (resources or materials)

   this car consumes a lot of gas

   We exhausted our savings

2. 2

   finish eating all the food on one's plate or on the table

   She polished off the remaining potatoes

3. 3

   enclose or envelop completely, as if by swallowing

   The huge waves swallowed the small boat and it sank shortly thereafter