ROFL — àááðåâèàòóðà, ðàñøèôðîâûâàþùàÿñÿ êàê «Rolling On Floor Laughing» («Êàòàþñü ïî ïîëó ñìåÿñü»), ÷àñòî âñòðå÷àþùàÿñÿ â èíòåðíåòàõ. Àíàëîã ðóíåòîâñêîãî «ïàöòîëîì». Óïîòðåáëÿåòñÿ òàêæå â âàðèàíòàõ ROTFL (Rolling On The Floor Laughing), ROFLMAO (Rolling On the Floor Laughing My Ass Off) è ROFLMAOSTC (Rolling On The Floor Laughing My Ass Off Scaring The Cat).
Íàñòðîéêà ñòâîëà â ðåæèì ROFL äàåò íåâúåáè÷åñêèé ýôôåêò!