Informal or colloquial term meaning something that folds easily or has many folds; having a tendency to fold.
From 'fold' plus the informal adjective suffix '-y,' creating a casual, descriptive word. This is modern colloquial English.
Foldy is the kind of wonderfully vague word that actually means something to people—they know exactly what you mean when you call something 'foldy' even though it's not in formal dictionaries.
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