Ll: Leitmotif

 Leitmotif Defined: a recurrent theme throughout a musical or literary composition, associated with a particular person, idea, or situation.

Cocktail Party Banter: What was the leitmotif of the book "Brother Karamazov" by Dostoevsky

Literary Context: The vigor, charm, and grostesquery of Southern evangelicalism are familiar to us all by now, and for Theroux they provide a true leitmotif. 
Jan Morris ""Deep South" by Paul Theroux - review" The Spectator 15 12/19/26 December.

Ngram Viewer:


Audio Visual:
Everytime Darth Vadar appears we hear a part of the imperial march, this is a Leitmotif for the character.

Ff: Floopdoodle

Definition:

nonsense; bosh.

Cocktail Party Banter: That idea was totally floopdoodle.

Literary Context:  (On Faulkner) He was undoubtedly a writer of genius, he was also a writer of floopdoodle and a successful Hollywood screen writer.
  Jan Morris ""Deep South" by Paul Theroux - review" The Spectator 15 12/19/26 December.

Audio/Visual: 

Ngram Viewer: Rarely used, so no Ngram information on this one. 

SS: Suspension of Disbelief

Suspending Disbelief: Allowing the author to take you, the reader, on an imaginary flight with new rules and insights of behavior.(Speical Report)

Suspension of disbelief or willing suspension of disbelief is a term coined in 1817 by the poet and aesthetic philosopher Samuel Taylor Coleridge, who suggested that if a writer could infuse a "human interest and a semblance of truth" into a fantastic tale, the reader would suspend judgement concerning the implausibility of the narrative.