To repeatedly strike a prostitute until she stops biting your tongue.

As made famous by Vince Offer aka the shamwow guy.
"Prostitute Survival 101: Do not be afraid to shamwow the prostitute if she attempts to bite your tongue"

"I was with this crazy prostitute last night who tried to bite my tongue...fortunately i was able to shamwow her and get away"

"Wow, that hooker just got shamwowed!"
by DVMWOW! April 1, 2009
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a very good infomercial telling about a unique cloth that can hold up to 2o times its weight in liquid,made in germany (you know the germans always make good stuff), you will be saying wow everytime.

(also can be used as an exaggerating wow !!)
sonny:yo patrick
Joka:yea
sonny: you ever heard of shamwow, its made in germany you kno the germans always make good stuff
Joka: ya i herd of it, no more waistin 20 dollars a month on paper towels, your throwing your money away.
sonny: yup all i gotta say is SHAMWOW!!
Joka:yup beware of shamwow imitators
Joka: SHAMWOW!!!!!!
JOKA & Sonny: all we gotta say is SHAM...WOW!!
by JokaSkullz September 1, 2008
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The best invention since marijuana. (thank u god)
yeahhh i rolled my weed with a shamwow.
by Secretsandwich March 12, 2009
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When a guy you thought was hot does something so unsexy that your vagina dries up in an instant.

The male equivalent of anti-viagra
Yeah, girlfriend...Rick and I were really getting it on and I was ready, and then he pulled out his tiny pencil dick and it totally shamwowed me....
by Piece Of Work February 28, 2010
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The act of hitting someone with a sopping wet Shamwow

(The famous infomercial cloth that can hold up to 20 times its weight in liquid "the shamwow")
Don't piss me off cause I will Shamwow you!

JVB: Hey J wanna see my Thong?

J: Hell No!

JVB: Come on look at it!

J: You Pervert! Come any closer and I will Shamwow you!
by sfx-ladyj December 18, 2009
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A very useful product that causes many people to say wow every time.
*uses shamwow*

Wow.
by MeNoYou June 1, 2010
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A breed of ultra absorbant towels that like to get high on marijuana.
Towelie from South Park is a marijuana smoking Shamwow.
by JoRo78 October 12, 2012
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