The meaning and origin of the expression: Beelzebub has a devil for a sideboard

Beelzebub has a devil for a sideboard

What's the origin of the phrase 'Beelzebub has a devil for a sideboard'?

This phrase is a misheard version of 'Beelzebub has a devil put aside for me', from Queen's Bohemian Rhapsody:

I'm just a poor boy nobody loves me
He's just a poor boy from a poor family,
Spare him his life from this monstrosity
Easy come, easy go, will you let me go
Bismillah! No, we will not let you go
(Let him go!) Bismillah! We will not let you go
(Let him go!) Bismillah! We will not let you go
(Let me go) Will not let you go
(Let me go)(Never) Never let you go
(Let me go) (Never) let you go (Let me go) Ah
No, no, no, no, no, no, no
Oh mama mia, mama mia, mama mia, let me go
Beelzebub has a devil put aside for me, for me,
For meee

Such mishearings are known as mondegreens and some are invented rather than misheard. I know this one is genuine because for years I heard it that way myself. I don't know why it never occurred to me that it made no sense. I still prefer the sideboard version to the correct lyric.