The act of ejaculating into a man's penis slit and when that man ejaculates he will be ejaculating twice as much semen (his and his partners).
Man 1: Kyle and I are totally going to do some sand worming tonight at Toby's bachelor party!

Man 2: Its going to be a sand worming fest!
by Bradypwnin August 6, 2009
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A thirsty gullable male ho, who doesn't realize he is being retarded or different with a female and being a "sucker for love simp." A guy who would fight over a female and give his all to a woman.
I spent all my money to give to this girl I'm dating. Damn I'm a sand-worm.
by Raw-V DeSai August 16, 2010
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A imaginary worm made to distract/get rid of people you dislike.
Annoying Boy: Hey girl. Want to hang out later tonight?
Girl: Only when you find a sand worm and show it to me.
Annoying Boy: YESSS! *runs to look for sand worm*
Girls friend: huh? why did you tell him that?
Girl: I guess he doesn't know that sand worms don't exist ;)
by unicorngurl August 12, 2011
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