Why do we say off the top of my head

Why do we say off the top of my head?Off the top of my head, i'd say we have about 200 members.What does take a little off the top mean?Definition of off the top of my head in the idioms dictionary.If you say something off the top of your head, it just means you have not really thought carefully about it or rehearsed it or anything.I can't tell you maxine's phone number off the top of my head.

With voice pro® permission, i would like to share this idea with you!They may also feel pain in other parts of the head simultaneously, like the side of the head or the back of the head.If you say something off the top of your head, it just means you have not really thought carefully about it or rehearsed it or anything.Well, right off the top of my head, i'd say about a thousand.Off the top of my head.Synonyms for off the top of your head include unrehearsed, spontaneous, improvisational, improvised, impromptu, improvisatory, unprepared, unscripted, impulsive and offhand.

See a translation report copyright infringement;1) it is all i can really think of off the top of my head.How do you say this in japanese?Definitions by the largest idiom dictionary.That's just off the top of my head.