Panic At the Disco has a song called lying is the most fun a girl can have without taking her clothes off. and this is the word shortened :D litmfagchwthco.
"Lucky Strike Means Fine Tobacco" was the ad slogan in the '50s & 60s.
Young boys at the time, like me, said it stood for , "Let's screw, my finger's tired."
Laughing-Silently-To-Myself. The REAL alternitive to LOL, because really how often are you laughing out loud when you type LOL. Exactly. Not too often. And when you are laughing out loud, use LOL, otherwise: LSTM.
Sue: hey brad, guess what?
Brad: what?
Sue: I have Herpes :(
Brad: LSTM
Sue: That wasn't a joke!!
Brad: oh . . . sorry . . LOL!