Hi
The verb is "To get (Someone) up" as you can see here
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Most of the time, get someone up is not used for 2nd person (you). The frequent uses of this phrasal verb is for imperatives which deals with a third person object
For example
Get him up, it's too late
which means
بیدارش کن، خیلی دیره
We generally say "get up" for 2nd person, but in such occasions as the one you mentioned, mostly in informal situations, we can use get you up
The meaning is somehow jocular
We mean, say, "Get yourself out of bed", or more informally, "get your asss out of your bed" :-D
In Persian we can say
تن لشتو از رختخواب بلند کن :دی
Of course the English version you mentioned isn't this much derogatory :-D