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!
Man 2: Its going to be a sand worming fest!
by Bradypwnin August 7, 2009
Get the Sand Worming mug.When one finally becomes intimate with their partner and then after a romantic moment, then inserts their penis into what resembling what looks and feels like a dry mountain less dessert from Dune.
Dude: Dude Pat Mccloud got it on with his girl last night?
Other Dude: Really?
Dude: Yeah, and she was as dry as death valley.
Other Dude: AHHH my bro was SANDWORMING IT!
Other Dude: Really?
Dude: Yeah, and she was as dry as death valley.
Other Dude: AHHH my bro was SANDWORMING IT!
by ATCO August 17, 2010
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