off the top of your head

off the top of (one's) head

From memory or without much or careful consideration. A: "How much can we expect to earn this quarter?" B: "Off the top of my head, it should be around $200,000, but I'll have to check the figures when I get to the office." I know of two people who are coming off the top of my head, but I'm pretty sure more said they'd be here. John can list the capital cities of all 50 states off the top of his head.
See also: head, of, off, top

off the top of your head

If you say something off the top of your head, you say it without thinking about it much or without trying to check it or find out more facts about it. I can't remember off the top of my head the date of the wedding. I'm thinking off the top of my head here. OK, off the top of your head, do you know the capital of South Korea?
See also: head, of, off, top

off the top of your head

without careful thought or investigation. informal
1988 Jamaica Kincaid A Small Place He apologises for the incredible mistake he has made in quoting you a price off the top of his head which is so vastly different (favouring him) from the one listed.
See also: head, of, off, top

off the ˌtop of your ˈhead

(informal) as a guess; without having time to think carefully: Off the top of my head I’d say it would cost $2 000 to do the repairs.‘What’s the population of Liverpool?’ ‘I’m afraid I couldn’t tell you off the top of my head.’
See also: head, of, off, top
References in periodicals archive ?
People might think, 'Don't be so stupid, Andy' - I'm just saying that's right off the top of your head.
In fact, cropping a slice off the top of your head can increase your photo's impact.
We call the Take-A-Card Cap marketing right off the top of your head.
Do you happen to have something off the top of your head that I could pass on to offer him a new perspective on the issue?
Off the top of your head, how many actual words do you guys think are on the new album (ST CD)?
If you have a difficult time thinking off the top of your head, write down a bulleted list of what you want to say," says Holland.
All that stuff seems to come right off the top of your head.
well, I'm sure you can guess it right off the top of your head.
GAELIC Players Committee chairman Jarlath Burns last night attacked Minister for Finance Charlie McCreevy, telling him: "You're talking off the top of your head.
In between are his "Six Gnossiennes," "Je te veux," "Sarabandes," "Trois Nocturnes," "Reverie du Pauvre," and everything else you can think of off the top of your head.
Carroll: Can you think of any MPs off the top of your head who are prochoice when it comes to abortion?
You know, the kind that are sort of out of focus and lop off the top of your head because you're holding the camera at arms length.
Have at least 10 good places to eat and buy gear off the top of your head ready at any time, even in the midst of a heated skate session