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The excruciating pain one experiences when shampoo meets eye.

Used to wish someone pain, but in a more civilised way.
I wish severe shampain on you next time you shower!
by Chalko January 22, 2011
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2
The burning sensation when urinating after using shampoo to masturbate with.
After a hot steamy shower session of polishing my pork sword, I went to pee only feeling the worst shampain of my entire week.
by Big Fatty April 30, 2011
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3
A Song By American Rock Band FiveFinger Death Punch 5FDP
Hey Billy, Five Fingers New Song Sham Pain is Complete Shit
by ThePeenWeen October 10, 2018
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