Crosswords1 min ago
Your father's mustache!
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Apparently the phrase dates back to the 1920's in the US, but there is little written on the origin. My flurry with google pointed to either of the following:
- a chain of barber shops called YFM who suffered from bad business practices and were eventualy taken over by the Regis Corporation, or.....
- a popular jazz/dixie band (and subsequent nightclub chain) who used to play lively and sometimes daft sporadic improvised music.
Your guess is a good as mine.
Caveat: this is all off the top of my head (where the hairs are!) and unsubstantiated by research.