eat out of
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eat (something) out of (something)
To eat something straight from its box or container, rather than portioning it onto a plate. I can't eat chips out of the bag anymore because I always end up eating all of them!
eat (something) out of something
to eat food directly from a container, such as a bag, box, can, etc. You shouldn't eat out of the can. Maria was eating potato chips right out of the bag.