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I found the sentence: ようし、転がってくれるわ！ It was translated as: Alright, I'm gonna roll around! (The context is that the character is rolling on a soft tatami, he's alone so he's not really talking to anyone, just to himself.)
I know that くれる means to give, but since in this sentence no one is receiving anything, what is its meaning?
Verb + くれる can mean
㋐人が自分に、または自分の側の者に対して何かをすることを表す。「手伝って―・れる」「秘密にしておいて―・れ」「母がセーターを編んで―・れる」
㋑こちらが、相手に不利益になるようなことを与えることを表す。「痛い目にあわせて―・れるぞ」
Roughly it means the subject does V as favor or as something causing harm to the listener. In your example, I guess the speaker is just saying either I will give you the honor of my rolling around here or I will do harm by rolling around here. Not really that these are seriously meant, but more of a joke.
