A derogitory term used to describe illegal immigrants from Mexico. This originates from them jumping the boat and swimming to shore (undetected) hence having 'wet backs'.
"Those lousy wet backs never do any work"

"Damn Robin's a filthy wet back!
....yeah so's Dolly man"

"That guy's a bit too wet back for my liking"
by Dimma July 26, 2006
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Illegal aliens from Mexico.
As the land near the USA-Mexico border is mainly very hot desert, the people who try to illegal cross the border on foot often become very sweaty. As a result, their backs are wet with sweat and they are known by this feature.
I saw a bunch of wet backs down by the Wal-Mart.
by JohnJohnGoose March 21, 2006
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A mexican with no green card, too lazy to get one; therefore swims to the U.S thus becoming a "wet-back".
The Wet-backs pick srawberries, work our fast foods, and sell flowers, oranges, cherries etc. on main streets.
by ivette July 19, 2006
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Wet back refers to central americans not hispanics. Bean pickers.
Look at those wet backs and theyre low riders.
by Roy m3 June 12, 2005
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When after the act of sex, your female partner straddles your back placing her wet pussy on your back & rubbing it up and down.
I like to play Modern Warfare after sex, when i do my woman loves to watch me play wet backing me.
by Bigboi (813) November 17, 2011
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A Mexican who swam to the U.S.A. That is why it is called wet back because they swam here.
"Hey white trash, what are you vote for."
"Shut up, wet back."
by jhjdfhgjfjghjf October 15, 2019
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