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
Hiroki	hee-ṙo-kee	Japanese
Joash	JO-ash (English)	Biblical
Ormazd	OR-mazd	Persian Mythology
Chandra	-	Hinduism, Bengali, Indian, Assamese, Hindi, Marathi, Telugu, Tamil, Kannada, Nepali
Silvio	SEEL-vyo (Italian), SEEL-byo (Spanish)	Italian, Spanish, Portuguese, Croatian
Lorenzo	[lɔ'renzəu]