Someone that does not notice the space he/she takes in a crowded area.
"That guy walks around with his 4-feet long umbrella, waving it like a sword. He's a real spatial moron."

"Look at the spatial moron, who just stopped right at the bottom of a mechanical stairway to unfold the handle from his attache-case. Everyone behing him is piling up!"
by cbfaucher October 13, 2011
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