Interesting, and very much an American thing - never heard anyone say 'on accident' here in the UK.
Neither have I. Sounds very strange to my ears.
What also bothers me that I've heard out of many British people, but never yet a Canadian or American is 'can I lend that thing from you?'... you can't lend something from its owner. As the lender, you are the owner of the property to be lent. Thus you can lend something to someone or borrow it from them, but you can't borrow it to someone or lend it from someone.