1. Rolling on the floor laughing; indicates that something is thought to be highly amusing
   - ROTFL

Encyclopedia: ROFL

• prep school
• prepackaged
• prepacked
• prepaid
• preparation
• preparation fire
• preparative
• preparatory
• written
• written account
• written agreement
• written assignment
• written communication
• written document
• written language
• written material
• written matter
• written record
• written report
• written symbol
• written text
• written word
• Wroclaw
• wrong
• wrong 'un