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A nickname for a large and or powerful penis. The phallus is known as the "thunderstick." The semen is known as "lightning" or "rain." After having intercourse with a thunderstick, the female has been "thunderstruck."
Girl A- So Preston got tanked at the party and got naked. His penis is rather large and rather thick. I think it qualifies as a thunderstick.
Girl B- Nice! I hope i get struck by lightning!

Man A- Dude, I make it rain on dem hoes with my thunderstick.

Boy A- Yeah i boinked her last night. She's been thunderstruck.
Boy B- Shizzle
by sensimillia August 13, 2008
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Long thin plastic ballons used as noisemakes iby fans at sporting events, usually in cities that don't have fans who can make real noise (See Los Angeles Angels).
Man #1 - "Why did all these Angels fans bring their dildos to the game Today?

Man #2 - "They're not dildos, those are those stupid thunder sticks. None of them can cheer properly, so they smack those things together"
by nyjyrk June 17, 2010
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When a women uses her dildo so fast that u cannot see it any more means it is a thunderstick
Dave watches mary use her thunderstick so fast that he could see it any he about blew his load all over her
by doesnt matter April 29, 2004
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