An idiom meaning someone loves or enjoys an activity even though they are bad at it; they keep doing it despite poor ability.
彼は絵は下手の横好きだけど、毎週絵を描くのが楽しいと言っている。
He's bad at drawing, but he says he enjoys drawing every week.
下手の横好きでバイオリンを続けている友達がいる。
I have a friend who keeps playing the violin even though he's not good at it.
下手の横好きと言われたが、練習を続けたら少し上手くなった。
I was told I'm just someone who likes doing something despite being bad at it, but after practicing I improved a little.