What does HMU stands for?
It could mean lots of things according to the circumstance you are in. However usually it means some kind of request for further or ongoing conversation. For example when a individual gets a message with HMU , it could mean that other person would like you to continue discussion. Or it may mean that the message sender wants you to contact him on a specific matter you had been talking about. HMU is also popular in chat rooms, where its meaning is exactly the same with sms over cell phones. Through HMU on the chat thread, you can inform or remind people to make a call or send an e-mail after the chat.
Facebook.com compared the widely used phrases in 2010 to their numbers during 2009. Following appropriate evaluation, Facebook created a listing of popular phrases where HMU lead this list. The phrase has been barely used in 2009 but in some way its popularity grew in 2010.
The buzz of “HMU” began at the beginning of 2010 with more than 80,000 mentions daily. The phrase is mainly used by students and it was observed that after summer vacations the popularity of HMU reduced a bit. Mostly because of the fact that they were busy with class work and had only time to make such “requests” throughout saturdays and sundays.