What does the following mean, especially "on"?
- You went to sleep on me?
And in BrEDefinitely what "The Dude" says... you fell asleep while I was talking to you. Or while we were doing something. Very common in AmE.
I think it means, "You fell asleep, and I wasn't expecting you to," or, "You fell asleep, and I needed you to stay awake." It's sort of like, "You walked out on me."
The on implies an action directed toward someone. Also, like Jasmin said,the use of on in this manner is common in American hip-hop slang.
They hatin' on me. (They hate me.)
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