A worm blast is when you are having anal sex with someone with a severe case of worms. Before exploding you pull out. Your dick should now be covered with worms and other anal excrements. That is when you blow your load in her face which will send the worms flying.
"Hey, man my chick's got worms. What do I do?"

"Don't know. Try a Worm Blast."
by Joshua Fucking Deal November 17, 2009
5 Words related to Worm Blast

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