基本解释笑得在地上打滾；非常可笑，令人捧腹（網絡聊天室用語，rolling on the floor laughing的縮寫，表示覺得某事非常好笑）。同根派生 rotfl相关词英英字典劍橋英英字典 written abbreviation for rolling on the floor laughing: used, for example in an internet chat room, to show that you think something is very funnyrotfl剑桥字典rotfl柯林斯字典