Any instance where something is mistaken for shit.

Holy Christ, someone shit in the pool!

Calm down, It's probably just shampoo.

Yeah, look, it's half a snickers bar.

They were just shitting us.
by Zoggg September 05, 2007
A concoction used to cleanse one's scalp. Its ingredients consist of:

1 part sham
1 part poo
Dang, I wish Greasy Gary would use some shampoo.
by Wojeezy May 24, 2008
A liquid substance used by everyone, excluding those too poor to afford it, rednecks (they use soap instead), and the French (they hate showering).
Normal person: Shampoo is a part of my showering routine.

Poor person: I wish I could afford shampoo.

Redneck: I'm too much of a man to use shampoo.

French person: Je déteste pour verser. Je déteste le shampooing.
by Johnny Rocketfingers July 10, 2003
A fake turd.

Derived from combination of sham and poo.
I thought the dog had managed to crap in the bathroom cabinet, but it was just shampoo.
by Pipe Downn March 21, 2010
Chinese Amazon girl from Ranma 1/2 who is in love with Ranma Saotome. She fell in "Spring of Drowned Cat," which cursed her to turn into a pink cat when splashed with cold water. When splashed with hot water, she returns to her human form. She works for her great-grandmother Cologne at the Cat Cafe in Japan.
Ni-hao, Ranma! You come to date with Shampoo, yes?
by toph bei fong is awesome May 01, 2011
The act of wiping one's ass with the hair of the recipient of an awkward chocolate.
Being the respectable, clean individual that I am, I had to sham-póó after giving my buddy's girl an awkward chocolate.
by Reverend Feltaboy October 14, 2011
when you give someone a swirley in a poo filled toliet
"I'm so mad at Roy for not plunging the toliet, I'm gona give him a sham-poo."
by 4 Points November 16, 2009
it means fake shit; something that is fake, and a piece of shit
You're mom's implants are sham poo dude. They're just fake pieces of shit.
by mr. clean the mean machine April 06, 2009

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