Rolling On The Floor Laughing With Tears In My Eyes

Much like its root word rofl, but it offers much more insight into the level of hilarity of the situation. Although yes, you are indeed rofl'ing, you are also doing so with tears in your eyes, which tells the rofl-ee that you found them, their joke, or the current situation worthy of more than just a rofl.

the act of texting people while you are pooping