Rad and fantastic combined making a force to be rekoned with. If you are radtastic you are the best.
by sctso April 28, 2003
Get the radtastic mug.(adj) Something so great, or tremendous, and unbelievable that it supersedes all other synonyms of both good and extraordinary.
Although she was nothing more than an iconoclastic misanthrope, she had to admit that her adversary's discovery was radtastic.
by Bradley Darren Davidson November 14, 2006
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by Devin Starr May 16, 2009
Get the Radtastic mug.by Tomilicious January 27, 2009
Get the Radtesticles mug.by asdfcodyjkl; August 14, 2008
Get the Radtastic mug.When someone or something has the characteristic of being Radical, Fantastic, and Delicious at the same time. It is to show how extremely awesome, cool, or pleasing someone or something is. This word can be used in a sexual way.
Regular Use
Person #1: Brooo, did you see that Lil Uzi Vert concert yesterday?
Person #2: Yeah man! That concert was Radatasticlicious on my momma!
Sexual Use
Person #1: Damnnnn gurl! You lookin Radatasticlicious! Can I tap that?
Person #2: Sure boy! You can tap it any time any day!
Person #1: Brooo, did you see that Lil Uzi Vert concert yesterday?
Person #2: Yeah man! That concert was Radatasticlicious on my momma!
Sexual Use
Person #1: Damnnnn gurl! You lookin Radatasticlicious! Can I tap that?
Person #2: Sure boy! You can tap it any time any day!
by Consepseon Mitchell March 17, 2018
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by Penispenispenis69 March 25, 2020
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