If you do something for the hell of it, you do it without having any particular purpose or wish, but usually for enjoyment: I didn't know what I wanted to do, so I drove my van round Europe, just for the hell of it.
برای سرگرمی، الکی، بدون منظور
Doing something for the hell of it یعنی به قصد کشت یه کاری رو انجام دادن
