Some people throw an r in where it does not belong,

This is a consequence of the Law of Conservation of Consonants, which (loosely stated) is

Every time an r vanishes from a “bah” in Boston another appears in the “warsh” somewhere else.

But Her Majesty has modified the way she speaks to sound more like the rest of us. So it is more often heard among those who are trying to prove they are more upper-upper-upper middle class than any fact on their CV would indicate.

Some people throw an r in where it does not belong, which sometimes seems idiomatic (or idiopathic, maybe) rather than belonging to a regional accent which only some of the speakers in the region share.

Toilet → terlit oil → erl

I have yet to hear anyone pronounce off → orf.

This poem is mildly interesting but becomes boring right quick. May as well have just written a list, but those already exist.

Case in point, this stanza

Mind the O of off and often
Which may be pronounced as orphan,
With the sound of saw and sauce;

makes no damn sense at all in my idiolect. Does he not recognise the difference between a vowel and an R-controlled vowel, or is he one of these poor unfortunates who doesn’t have a fully rhotic (say that three times fast) English?

As I like to say to my English friend, I don’t care what you say, “salami” still doesn’t rhyme with “army.” 🙂