呉(く)れてやるto give, to do (something) for

こんなガラクタはお前(まえ)にくれてやる。

I'll give you this piece of junk.

これが欲(ほ)しいのか？これならくれてやるさ。

Is this what you want? If so, I'll give it to you.

え？こんな物(もの)が欲(ほ)しいの？これならくれてやるよ。

Huh? You want something like this? If so, I'll give it to you.

部長(ぶちょう)：「俺(おれ)が使(つか)い古(ふる)したものでよければ全然(ぜんぜん)くれてやるけど。」

Chief: 'If you don't mind something I've worn out, I'll gladly give it to you.'

家主(やぬし)：「俺(おれ)の食(た)べかけのパンが欲(ほ)しいって本当(ほんとう)か？くれてやるけど。」

Landlord: 'Do you really want my half-eaten bread? I'll give it to you however.'