基本解释在地上打滾；好笑，好玩（網絡聊天室用語，rolling on the floor的縮寫，表示覺得某事很好笑）。同根派生 rotf相关词英英字典劍橋英英字典 written abbreviation for rolling on the floor: used, for example in an internet chat room, to show that you think something is funnyrotf剑桥字典rotf柯林斯字典