Awry, crazy, mad, wrong, unworkable, unexplained problems. Nuts.
I was adding parts to the system when it went womba so I rebooted and I had to do it all over again.
One minute he was fine and the next he went all womba.
You: Ow, that womba hurt like a mf. At least it wasn't the Double WombaWomba though.
Someone who may be slightly retarded
Look at that retarded looking guy over there, he looks like a total Womba