wubu2 = What u been up 2 Most people use this slang in a text message and on the internet in a conversation (e.g Windows Live Messenger, Messenger FX, ect.)
It is internet shortform for "What you been up to?"
I think that you mean wubu2 and it means WUBU2=What You Been Up To
It seems like "wubu2" may be a typo or error. Could you provide more context or clarify your question so I can assist you better?
W- What U- u (you) B- been U- up 2- 2 (two)
WBU means "What About You?" If you meant WUBU2, it means "What have you been up to?"
lol- laugh out loud / lots of laughs / lots of love brb- be right back ttfn- ta ta for now wruu2- what are you up to wubu2- what have you been up to omg- oh my god / gosh kl- cool peeps- people gifkotsitimgtlagtbnttyt - Guys, I'm feeling kind of tired so I think I am going to leave and go to bed now. Talk to you tomorrow.