off the top of one's head

In an impromptu way, without much thought, as in Off the top of my head I'd say we'll double our profits in a year. This idiom suggests one has not used the inside of one's head before making some statement. [Mid-1900s]

Common Names:

Name	Pronounced	Usage
Liron	-	Hebrew
Serafima	sye-rah-FEE-mah (Russian), see-rah-FEE-mah (Russian), se-rah-FEE-mah (Macedonian)	Russian, Macedonian
Yasu	yah-soo	Japanese
Jerneja	-	Slovene
Laelius	-	Ancient Roman
InÈS	ee-NES	French