When you're so tired from a long day that you stand in front of you bed and do a stage dive-like fall onto it; it's usually immediately followed by passing out in the position you landed in.
John: Dude, why didn't you text me back last night?

Pete: Sorry bro, I blacked out after a bed dive at 10 last night.
by xSing4Lifexx October 24, 2010
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The act of having a photograph taken whilst aparently levitating above a bed.
John's profile pic has him doing some awesome Bed Diving.
by zkpilot December 13, 2009
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