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
Wilfried	VIL-freet	German
ÚLfr	-	Ancient Scandinavian
Gulbrand	-	Norwegian (Rare), Danish (Rare)
Adelais	-	Ancient Germanic
Sofia	zo-FEE-ah (German), so-FEE-ah (Italian), soo-FEE-ə (Portuguese), SO-fee-ah (Finnish)	Norwegian, Swedish, German, Italian, Portuguese, Catalan, Greek, Finnish, Estonian, Slovak, Romanian
Danne	DAHN-ne	Swedish