When I was younger, sometimes I would come home late after an evening of fun and "raid the refrigerator" before going to bed. My Mom referred to me as the "fridge raider".
I can see your image of a midnight incursion into the refrigerator, but I have never heard of the expression "a refrigerator mouse." On the other hand, it seems like a nice expression and I like it. So, my answer is "why not?". But, watch the calories! Otherwise, you might begin to look more like the refrigerator than yourself .
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