Named after Bix Beiderbecke, (March 10, 1903 – August 6, 1931) was an American jazz cornetist, jazz pianist, and composer. With Louis Armstrong, Bix Beiderbecke was one of the two most influential jazz soloists of the 1920s.
Term returned to popularity during the late 50's, 60's with the Beatniks, and the Beat Generation, due to many 1920's (hip to jazz) Parents naming their children after Beiderbecke.
The usage of the term "Bix" as a complementary adjective , remains till today, mostly with musicians, although less known outside the usual Jazz Capitals like New Orleans, and NYC.
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"Jim's not the average ladies' man, he's the Bix"
"He got up there and played the ever-loving Bix out of that tune."