::instant message short forms::

lol (laughing out loud)
rofl (rolling on floor laughing)
ttyl (talk to you later)
brb (be right back)
afk (away from keyboard)
oitfmtc (out in the farm milking the cow)
ihalyfabibtatai (I have always loved you from afar but I've been too afraid to admit it)
ysdathd (you should die a thousand horrible deaths)

haha.
second last one is so cool la.
bet the person receiving the confession will take abt a mth, give or take a day, to decipher it.