(v.) To wake up and stay in bed knowing that you're taking time away from some activity you had planned for (usually school or work). Usually happens because the bed is just so damn comfortable.
Clifford: Why are you always late? I thought you set an alarm clock
Me: I do, I just have a bad habit of sleeping on margin.
Me: I do, I just have a bad habit of sleeping on margin.
by Gu3ss July 20, 2011
Get the Sleeping on Marginmug.