When you sit looking at the screensaver or random web page for long periods of time. Usually you are jolted to attention by your boss or talkative co-worker
"Sorry man, I was in a Mondaze."
"I didnt get any sleep this weekend, so i've been mondazed since McD's breakfast.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.