A list of commonly used text-message abbreviations:

A/S/L: age, sex, location BF: boyfriend BRB: be right back LOL: laughing out loud PLZ: please POS: parent over shoulder P911: my parents are coming! PAW: parents are watching LMIRL: let’s meet in real life M/F: male or female MUSM: miss you so much SOMY: sick of me yet? SN: screenname TAW: teachers are watching TMI: too much information WFM: works for me WTGP: want to go private? WU: what’s up?

Source: National Center for Missing and Exploited Children