To follow someone's action or to believe in something that you don't believe in so you would be considered cool.
They are wave riders don't hang out with them.
by Omar Mohamed January 20, 2019
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When you like something because of someone else Elis is a wave rider
James likes red Elis likes purple but since James likes red Elis likes red Elis is a wave rider
by Elison is a Dog January 6, 2018
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A sex move involving an ironing board, a man, and a woman.

To perform, the woman must lay flat on her back on top of the ironing board with her arms to her side, as if to resemble a surf board. The man then lays on top of her, stomach to stomach, and fucks her. While this is going on, the man must make a paddling motion with his arms, as if he were paddling out into the ocean.

Just before the man "hits the big wave", he must jump up and stand on top of the woman, as if riding a surf board, and yell "cowabunga!", getting his "Sex Wax" all over her.

Note: If an ironing board cannot be found, or if the ironing board is not stable enough to hold two people, then a flat piece of wood between two chairs, or any kind of elevated, flat surface can be used as a substitution. For full authenticity, this move can be performed on top of a surf board, which in turn is elevated over a surface of water.
Surfer 1: "So Jenny and I performed a Malibu Wave Rider last night."
Surfer 2: "How was it, brah?"
Surfer 1: "It was totally radical, but she got a gnarly infection in her eye from my Sex Wax."
Surfer 2: "Bummer, dude."
by The Shwastitute October 27, 2011
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Sexual act of penetrating an obese woman:

Doggy style, placing the penis into the ass crack, then generously smacking the right and left butt cheeks simultaneously which generates a fatty suction wave, pulling the penis into a mystery hole, either the vajayjay or pooper.

Note: Requires minimal effort for penetration.
"Yeah man, last night I performed the Mystery Wave Rider on her in the hot tub!"
by UcanDoIt! March 23, 2009
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The act of someone sucking you off immediately after you get out of the Ocean. Your cock is covered in saltwater, sand, and even a piece of seaweed or two and she sucks it clean. An act which shows a chicks true dedication to the cause. A personal favorite of the founders of The Brethren.
Dude, The hottest chick was eyeing me catching the sickest barrels yesterday. So when I got out, I served her up the Wave Rider Special and she loved it!!! This chicks got potential.
by Dan Collier April 23, 2008
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