I'd not be surprised if it comes from the existance of '[Ideal] Standard' (the european branch of 'American Standard') brand toilets, someone seeing them and quipping about how it's a 'standard bog' and then 'bog standard, bog' is plausible, IMO).
Between 1929 and 1967, both American Standard and Ideal Standard often omitted the first word on their porcelain products, and just had 'Standard'.
The only real downside I see with this theory is that [Ideal] Standard were far less popular than Armitage Shanks in the UK, although American Standard purchased Armitage Shanks a while back.
In February 1983, [Sir Clive Sinclair] said in
an interview with the magazine Computerworld:
“Luckily, we cannot foresee the day when a
computer becomes just a standard box. There
will be box-standard machines along the road,
but we do not simply have to make those”.
I played in a 6-a-side footy(soccer) team in the late 90s, there was a Belgium team called Standard Liege so our team name was Bog Standard Liege so it was in common usage back then but have no idea where it came from...
I'd not be surprised if it comes from the existance of '[Ideal] Standard' (the european branch of 'American Standard') brand toilets, someone seeing them and quipping about how it's a 'standard bog' and then 'bog standard, bog' is plausible, IMO).
Between 1929 and 1967, both American Standard and Ideal Standard often omitted the first word on their porcelain products, and just had 'Standard'.
The only real downside I see with this theory is that [Ideal] Standard were far less popular than Armitage Shanks in the UK, although American Standard purchased Armitage Shanks a while back.
This link has one inconclusive bit of evidence that it might be derived from "box-standard": https://www.worldwidewords.org/qa-bog1.html
Google books pulls out plenty of uses in the 60s referring to unmodified cars and car parts.
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I played in a 6-a-side footy(soccer) team in the late 90s, there was a Belgium team called Standard Liege so our team name was Bog Standard Liege so it was in common usage back then but have no idea where it came from...