“ROFL” is an internet slang acronym that stands for “Rolling On the Floor Laughing.” It is commonly used in online messaging, social media, and chat platforms to express that something is extremely funny or amusing. When someone uses “ROFL,” they are indicating that they find something so hilarious that they are figuratively rolling on the floor with laughter.

Example of usage: Person 1: “Did you see that funny video I sent you?” Person 2: “Yes, it was hilarious! ROFL!”

You can use “ROFL” to respond to something that genuinely makes you laugh or to emphasize your amusement when texting or chatting with friends and peers online. It’s a lighthearted and informal way to show your appreciation for a good joke or humorous content.