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

Encyclopedia: ROTFL

• prismoid
• prison
• prison camp
• prison cell
• prison chaplain
• prison farm
• prison guard
• prison house
• prison term
• prison-breaking
• prisonbreak
• prisoner
• prisoner of war
• prisoner of war camp
• prisoner of war censorship
• prisoner's base
• prisonlike
• priss
• prissily
• prissy
• Pristidae
• pristine
• Pristis
• Pristis pectinatus
• prithee