LSJ
ὁ, minister of Cybele, Semon. 36; cf. κυβέβις· γάλλος, κτλ., Hsch. ; generally, one ecstatic or frantic, Cratin. 82; — hence κυβηβάω, to be frantic, Phot., Hsch., cf. EM 543.11 (-βειν codd.); — Hsch. also has the forms Κυβήκη (Hippon. 120) and Κύβηκος.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)