Top Definition
A frustrating period of time where you are having either lasting constipation or are just all around not satisfied with the size. Especially when you can feel it coming but just can't seem to follow through. (Lasts from 2-5 days)
(Dale): After that chef boyardi chugging contest, I have been in the biggest Dump Slump
(Keith): Wah Wah Wahhhhhh
by CaptainHuge April 17, 2009

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