off the top of one's head

English dictionary entry

Meanings

prep_phrase
  1. In an extemporaneous manner; without careful thought, preparation, or investigation.
  2. Used other than figuratively or idiomatically: see off, top, head.

Pronunciation

En-au-off the top of one's head.ogg

Word forms

off the top of one's head off the top of one's dome off the dome
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