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A dump with the feeling equivalent of taking a dump for seven days.
Joshua had to cancel plans with Jessica because he was enjoying his grand Dump Sabbath.
by theanaljoust June 28, 2006
1. (Noun)
The day dedicated to resting after taking an enourmous shit.

2. (Noun)
The ending day of a shit that lasts for a week.

3. A shit that takes so long, you feel like you need to dedicate a day to it.
1. "The massive load I just dropped calls for a Dump Sabbath, because I'm so tired."

3. "I just took a fucking Dump Sabbath."

by AmazinglySexy December 02, 2006