(prob. contraction for) his neck up: (con-temptuous expression of dismissal) Go and be hanged!Go hang! Be gone! Away with you!上吊去吧！ 滾！ 滾你的！ △Tw.2.3.102(93): “We did keep time,sir,inour catches. Sneck up!”先生，我們唱歌是嚴(yán)守時(shí)間(雙關(guān)：按照節(jié)拍)的。滾你的吧！