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1 definition by C. Balaban

When you try to get up from a long day in a sitting position, and your legs give-way, resulting in you needing medical care.

Usually derived from gamers of FPS's and MMORPG's
"Hey jay had a boogeyman lastnight after playing 10 hours straight of WoW"

"Man i had to work overtime this weekend and i nearly had a boogeyman"
by C. Balaban December 03, 2007