The acronym LLF in a text message popularly means "laughing like f*ck". Here are some other lesser know terms relating to laughing in textspeak:
ALOL - actually laughing out loud
LOLOL - lots of laughing out loud
LALB - laughing a little bit
LIMM - laughing in my mind
KML - killing myself laughing
A new study just released by Liberty Mutual Insurance found that a majority of pedestrians use their smartphones while crossing the street — even though they know it’s dangerous! The study said 60 percent of pedestrians walk while texting, emailing, talking on the phone or listening to music, but 70 percent believe those activities are unsafe and still do it... nothing to LOL about!