Off the Top of One’s Head
= 1) answering a question without much thought or knowledge
2) based on what you remember
Person #1: How much can I sell my car for?
Person #2: “Off the top of my head” I would say about a thousand.
( a guess without knowing precisly)
Ex: “Off the top of my head,” I can only name about two famous American artists.
(based on what I can remember)
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