eat it up

eat it up

also eat something up
to enjoy something completely She has the kind of cheery voice that adults might dislike but little kids just eat it up.
Related vocabulary: lap up something
Etymology: based on the literal meaning of eat something up (to finish the food you have)
See also: eat, up
References in classic literature ?
Then she said: 'Well, Gretel, enjoy yourself, one fowl has been cut into, take another drink, and eat it up entirely; when it is eaten you will have some peace, why should God's good gifts be spoilt?