“Lamfo” is an acronym that stands for “Laughing My A** Off.” It’s often used in online communication and text messaging to indicate that something is very funny. The expression is similar to “LOL” (Laugh Out Loud) but conveys a stronger sense of amusement. It’s part of internet slang and is commonly used in casual conversations, particularly on social media platforms. However, please note that the use of such acronyms can vary by region and demographic.