n: Something that has a mysterious, excessive, awesome quality. Like a combination of explosions, monster trucks, rock bands and free pie. Not an adjective, but a noun which is used more like a metaphor than a description. It is too important not to capitalize.
That ninja riding a bicycle while juggling knives that are on fire is total Thunder Pie.
by FreeNachos October 27, 2004
Thunderpie is an immature way to say handjob and talk about the sexual act of such, without others knowing....mostly teachers and other people that just don't want to hear you talking about that.
"How the fuck do I give an example?! You shouldn't need one, its not rocket science here people!!" - me
by Yo, momma. April 21, 2005

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