Yeah it is. Where I live saying "my duck" is a term of endearment. I have no idea why.
That's weird. Where you live is weird.
Lol. Nah, it's pretty nice actually.
It's also actually "me duck". Autocorrect changed it for whatever reason.
"Bog standard" is used here in the States, too.
At least, I certainly heard it frequently enough in NJ growing up in the 80's. My peers never used it, but adults did. And two teachers.
I am not claiming that it was popular, or anything like that, but it was certainly used.
Same for "whinging" as in "stop whinging!"...now, it could be that my teachers/family had some connection to England (my grandma was born in England).
also different country have differences in meanings or context for the same word or saying,
ie, UK, " dying for a fag" means i want to smoke a cigarette
but in US, " dying for a fag" means i want make a pass at a homosexual person
or example, usage of " wanker" term on US cartoon, " the simpsons
https://www.theguardian.com/media/2008/jun/09/channel4.ofcomin UK, it's actually a swear word, meaning some one who masterbates, but in the US, i presume the extent of profanity is limited, similar to " jerk"