When you drink a LOT one night, and then the next day you drink a little but get very drunk. Just like when you shampoo and you just use a little bit and get tons of suds.
I only drank a beer but I shampooed from last night. I'm wasted !
by Oshkosshbygosh April 27, 2014
Get the Shampoo mug.
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 22, 2010
Get the shampoo mug.
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
Get the shampoo mug.
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?
Get the Shampoo mug.
Day drinking after bingeing the night before. Much easier to sustain a good day drunk.
I had 3 beers and was shampooed by 2p.m.
by quattroinsanity February 2, 2011
Get the Shampooed mug.
Faced with an uncomfortable situation, to politely excuse oneself to the bathroom, only to never return.
It was the blind date from hell ... musky cologne, piece of spinach in his teeth, talking continuously about his ex-girlfriend ... so I went for a shampoo.
by Punch-in-the-face March 9, 2010
Get the Shampoo mug.
A name used for a certain creed or race when you are surrounded by them and dont want to offend or be politically incorrect toward them.
Damn, all these shampoo's are hangin' out on Beale Street cause they are too cheap to pay the cover charge to get in the bars.
by Tha Orthodonist July 26, 2010
Get the Shampoo mug.