A very aggressive and intense greeting, meaning hello or goodbye. It is usually accompanied with a leaping heel click and a hand gesture of your choice.
Lindsay: Hey guys!
Cassie: Shamwow!
Nicole: Shamwoww!!!!
Keely: SHAMWOOOOOW!!!!! (Picture Elaine's dance off of Seinfeld)
Cassie: Shamwow!
Nicole: Shamwoww!!!!
Keely: SHAMWOOOOOW!!!!! (Picture Elaine's dance off of Seinfeld)
by GEM! June 19, 2008

bob: hey phil ever heard of shamWOW?
phil: yeah its a peice of shit!
bob: oh really? how?
phil: just is....
phil: yeah its a peice of shit!
bob: oh really? how?
phil: just is....
by XxChickaxX April 8, 2009

1) The fucking annoying commercials on tv that either make you want to kill yourself or the guy doing the commercial.
2) When you're having sex and then the girl stops and proclaims "you're real satisfying"
2) When you're having sex and then the girl stops and proclaims "you're real satisfying"
by pjhockey3 May 19, 2009

a two handed handjob, done with bliss and speed. a very particular 78 degree spin must be made in alternating directions with both hands to succeed.
Finish with an orgasmic SHAMWOW!
Finish with an orgasmic SHAMWOW!
by ABCs? just have sex October 17, 2009

An alternative way of saying "That's what she said" which is more appropriate for use in public places or around children.
Shamwow.
by Vince-Offer April 16, 2011

by kittumkatzum June 12, 2009

Oh damn i spilt juice on the carpet, i might as well get the lighter cause shamwow blows dogs for quarters.
by pointertubby April 1, 2009
