2NITE - Tonight 420 - Marijuana ADR or addy - Address AFK - Away from Keyboard.
L - Lesbian LD - Light Drinker LMIRL - Let's meet in real life.
ND - Non Drinker NIFOC - Nude in front of computer.
SBF or SBW - Single Black Female, Single Black Woman.
As an update to this article, Instant Messenger Dictionary for Online Daters I have a number of more terms and Acronyms that singles using dating sites may come across.