To eat very quickly and greedily, as if you are starving.
It is not an idiom. It is an expression. The difference is that an idiom's meaning cannot be derived from the meaning of its individual words. In the expression wolfing down food, the meaning is clearly derived from the meaning of the words, and people have been saying it for hundreds of years.
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To be exposed
Origin "up a storm"
No
Palestinian and Persian
affrica (iraq
grab a bite
It was in 1960 in America
It is just an idiom and has no history.
RELAX
To hope for the best