(adj.) a word used to express one's complete and total satisfaction about one, or many, instances.
teacher: Does anyone know what a synonym for amazing is?
teacher: Umm, sorry, that's not a word, love.
Jack: yes it isss! it's in the urban dictionary! look it up!
teacher: Alright, next word does anyone know the synonym for...
-Look up radtastical
to find the next chapter in our fantasminatical story.