To indulge in alcoholic consumption the following day/night after getting completely shitfaced the night before. Usually it's easier to get drunk that next night.
Kate and Lauren are shampooing in the fratmosphere again tonight!
by Fropaholic June 24, 2009
Engaging in sex while shampooing your partner then Mid-coitus, one person bites the neck of the other, locks their arms and legs down and goes into a deathroll, all while maintaining insertion. Upon completion the man finishes in the womans ear and then proceeds to mushroom slap the woman being sure to leave a print.
I heard Candi and that Tranny Lizzie shampooing last night, and I saw the print to prove it! I'm gonna have nightmares for weeks...
by Alejandro Reyes August 13, 2011
adj. Mentally cleansed, espeically of behaviours, attitudes, or even memories considered "undesirable" by one partner. To truly shampoo a partner requires a great deal of effort to achieve the required level of obedience, but results in a docile and obedient lover who cannot conceive of not wanting to obey and please.
GF1: "Damn, Margot really shampooed her toyboy!"
GF2: "He doesn't even recognize his old girlfriends anymore..."
GF1: "She took him from free-range boi to shampooed toy!"
by Margot and Bubble May 26, 2009
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 25, 2008
What some people call the Orca whale Shamu at Seaworld in San Diego USA.
{trainer in the water with Shamu}: Here Shampoo!
{Shamu} Emits several brief squeals and then douches his trainer rather thoroughly with huge jets of water
by Telephony August 12, 2016
A creamy goo used to clean a person's hair it also makes it feel & smell good
Kaylee : Hey Kiersten thanks for letting me use your Shampoo this morning!
Kiersten : No problem I noticed your hair was a little greasy!
Kaylee : No!!! I Had just ran out I wash my hair everday!
Kiersten : Whatever! Last night Jake came for me 3 times it must be my new Shampoo I think it really stimulates his penis!
Chad : Wow Kaylee I never noticed how sexy your hair was til today wanna come up to my office and let me cum for you?
Kaylee : Sure Chad maybe after work you can come to my place and Shampoo my hair!
Chad : You know Kaylee this could lead to a promotion for you!
Kiersten : Damn't Kaylee! You took my sexy Shampoo this morning! YOU BITCH!
by SlopNChop May 21, 2018