Unwashed and Somewhat Slightly Dazed Lyrics

Lyric discussion by Anoe 

Cover art for Unwashed and Somewhat Slightly Dazed lyrics by David Bowie

I would love to know what this song is about. I read that its about a bad trip. Not sure about that one though. Bowie said that he felt "unwashed and somewhat slightly dazed" in the weeks after his father died, so maybe its about that?