1.The combination of zomg/omg,wtf and bbq.
2. Used to express exaggerated emotions like joy, pain, pleasure, confusion, anger, etc..
3. Commonly mixed up to show mixed emotions.
Zomgwtfbbqwings is a derivation of a myriad of 1337. It was first used in a village in southasia where a local schoolteacher Zomg'd a word. A student quickly Wtf'd it and another Bbq'd his wings. Since then it has been widely accepted as the most ownage and even pwnage 1337 form of surprise.
Usually used in the internet and mainly by gamers, to describe (jokingly) how good something/action is, the term is exaggerated, and is usually sarcastic.