Tricks, deception, or nonsense in general; the practice or art of running confidence games.
From 'flimflam' plus the suffix '-ery' (a place where something is made or a collection of things). Similar to how 'flattery' comes from 'flat,' this noun form generalizes the activity.
The suffix '-ery' usually means 'a place of' (like 'bakery') or 'a collection of' (like 'foolery'), which is why 'flimflammery' doesn't just mean one scam—it means the whole culture of scamming.
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