off the top of your head
US /ɔf ðə tɑp əv jʊər hɛd/
UK /ɔf ðə tɑp əv jʊər hɛd/

1.
ezbere, aklına gelen ilk şey
from memory, without careful thought or checking facts
:
•
I can't tell you the exact number off the top of my head, but it's around fifty.
Tam sayıyı ezbere söyleyemem ama elli civarında.
•
Can you name three capital cities off the top of your head?
Ezbere üç başkent sayabilir misin?