fluff

definition: a blunder (especially an actor's forgetting the lines)
example:
speech part: noun
synonyms:
definition: something of little value or significance
example:
speech part: noun
synonyms: bagatelle frivolity frippery
definition: any light downy material
example:
speech part: noun
synonyms:
definition: ruffle (one's hair) by combing the ends towards the scalp, for a full effect
example:
speech part: verb
synonyms: tease
definition: erect or fluff up
example:
speech part: verb
synonyms: ruffle
definition: make a mess of, destroy or ruin
example:
speech part: verb
synonyms: bobble

fluff is explained and pronounced

How fluff is being used?