A person who is a bit of a day dreamer, but generally happy, easy going person, just oblivious to what is going on around them.
Friend 1: Oi You total spacer i waved at you today and you ignored me
Friend 2: i didn't ignore you man, i must have been spacing!! sorry didn't see you
Friend 2: i didn't ignore you man, i must have been spacing!! sorry didn't see you
by Total Spacer May 24, 2010