V. To remove the penis from the vagina during intercourse just prior to ejaculation and subsequently ejaculating on the females abdomen, then proceeding to beat the hell out of the woman and pat down the ejaculate and blood with a yellow, absorbent towel you bought off TV.
An example of this may be found on The Smoking Gun. Look for the Shamwow guy.
by Wyc April 6, 2009
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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"
1) wow i fucking hate that commercial for shamwow bro

2)omg you are so good at sex. SHAMWOW
by pjhockey3 May 19, 2009
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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!
come on baby....it's my birthday, give me a SHAMWOW!
by ABCs? just have sex October 17, 2009
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An alternative way of saying "That's what she said" which is more appropriate for use in public places or around children.
by Vince-Offer March 30, 2011
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Annoying ass product with annoying ass guy, never even consider buying it it doesnt even work.
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
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Bro: Man, I had some awesome shamwow last night. I destroyed that ham wallet.
by Skullfucked December 27, 2008
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The act of skeeting and pissing in a towel then slapping someone with it, usually your sexual partner.
Becky: "Last night Jim Shamwowed me so hard i can still taste his piss."
by (-slimTHUG-) December 18, 2009
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