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1.
To go to bed; to go to sleep.
Amanda: I'm tired. I'm gonna go bed up now.

John: Okay. Night night!
by Jasian66x November 24, 2008
 
2.
A sit up or push up done in bed because you are to lazy to do them on the floor.
"oh damn it's 12'oclock"

"I have not yet exercised and am to tired to actually complete a proper workout"
"I will just do a few bed-ups, that will keep me feeling good about myself"
by Jackypale May 06, 2013
 
3.
something people say to piss other people off.
Guy#1:hey be dup be dup!
Guy#2:shut the fuck up!
by Jack Bauer1234 August 09, 2006