Definition of "off the top of one's head" in İngilizce

Prepositional phrase

1. In an extemporaneous manner; without careful thought, preparation, or investigation.

   • I cannot think of any good examples off the top of my head, but give me a couple of hours and I'm sure I could come up with something.

2. Used other than figuratively or idiomatically: see off,‎ top,‎ head.