国产高清精品免费区-男女一进一出抽搐免费视频-中日韩一二三级黄色永久视频-日韩精品人妻一区二区免费视频-日本久久视频在线观看-99热这里只有精品88热-亚洲韩国黄色最新短视频一区-日韩伦理在线观看免费全集-国产av一区二区三区天堂

rocket surgery

(n.) a play on words which mixes two common metaphors: "[rocket science]" and "[brain surgery]"
> A line in a hilarious Chris Rock comedy act states that one shouldn't eat green meat. No kidding. It doesn't take a degree in rocket surgery to figure out something like that! ;oD