scrounge around
scrounge around {v. phr.}, {slang}
1. To search for an object aimlessly without having one clearly in mind.
I don't know what's the matter with him, he is just scrounging around all day long.
2. To look around for a way to get a free drink or a free meal.
Sue and her husband are so broke they never eat properly; they just scrounge around from one place to the next until someone offers them something.
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Source: A Dictionary of American Idioms