言ってくれる

say something to me (as a favor or for my benefit)

→ 言う
phrase Rare #35,163
say something to me (as a favor or for my benefit) くれる indicates that someone does something with the speaker as the beneficiary. Depending on context and tone, 言ってくれる can sound appreciative, neutral, or sarcastic.
JA: そんなこと言ってくれるなんて、優しいわね。
EN: How kind of you to say that.

何かいいことを言ってくれるのかとそう思うよな

You’d think they were going to say something nice, wouldn’t you?

— ビッグ・シック ぼくたちの大いなる目ざめ (2017)

言ってくれるね

You've got some nerve saying that.

— ダイ・ハード (1988)

そんなこと言ってくれるなんて、優しいわね。

That’s very kind of you to say.