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1.
Stuff that makes even the most constipated individual have an ass explosion.
I took some Metamucil an hour ago and ended up with the worst intestinal contractions known to man.
by Terri March 02, 2004
 
2.
a type of medicine that cleans you out, or makes u poo. gives u fiber...comes in capsules or drinks...tastes sooooo bad
ugh, i hate metamucil!
by marilyn February 19, 2005