Do something fun and laugh your ass off.

做一些好玩又可笑的事情。

youdao

That joke was incredibly funny, I laughed my ass off!

那个笑话太好笑了，我简直笑翻了。

youdao

I was working my ass off when my boss kicked back in the pub.

我玩命地工作的时候我老板竟然在酒馆里悠哉游哉。

youdao

It was simply your job to be an ethical, honest person, work your ass off, do some good for somebody else, and be happy you got to do it.

NPR: Seeking Solutions for the Nation's Broken Schools

They tryin' to write me off, so I got this diamond pendant with a thick-ass rope chain.

FORBES