off the beam

Off course, on the wrong track, as in He's way off the beam with that argument. This colloquial term and its antonym, on the beam, meaning "on the right track," allude to directing aircraft by means of radio beams. [Colloquial; mid-1900s]

Common Names:

Name	Pronounced	Usage
Su (1)	-	Turkish
Olga	OL-gah (Russian), AWL-gah (Polish, German)	Russian, Ukrainian, Polish, German, Swedish, Norwegian, Danish, Icelandic, Latvian, Hungarian, Itali
Ioseb	-	Georgian
Ramsey	RAM-zee	English
Cosmina	-	Romanian
Peta	-	English (Australian)