rotfl
(also rofl)
笑得在地上打滚；非常可笑，令人捧腹（网络聊天室用语，rolling on the floor laughing的缩写，表示觉得某事非常好笑）
written abbreviation for rolling on the floor laughing: used, for example in an internet chat room, to show that you think something is very funny
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。