Definitions by nimrodthesaurus

Lepton 

fool, halfwit, dolt, ignoramus, imbecile, simpleton; A slur for those not as intelligent as you are—used particularly by those who are highly intelligent prodigies for those who are not.

From the movie "Little Man Tate" where Fred uses the term "Lepton" to refer to others who aren't as intelligent as he is.

"Read a book, you lepton." is borrowed from a Patton Oswalt bit.

Lepton by nimrodthesaurus June 1, 2016