(Internet slang, sometimes derogatory) A Twitter user whose account has been verified by Twitter as authentic (i.e. not a parody or imposter account) and deemed to be of public interest.

Synonym of Delftware

plural of blue check

Having remnants of thick, dark facial hair when shaved.

(colloquial, rhetorical question) A rhetorical question in response to a question to which the answer is an emphatic yes.

A grayish medium blue color.

(obsolete) A mercurial ointment used to kill parasites.

showing a stubble of unshaved beard / having a bruised jaw

A lycaenid butterfly, Theclinesthes onycha, of Australia, the larvae of which feed on cycads. / A lycaenid butterfly, Luthrodes pandava, of Asia, the larvae of which feed on cycads.

out of the blue