Definition of fluffer in US English:

fluffer

noun

US
slang
  • In the pornographic film industry: a person employed to stimulate a male actor to ensure that he has an erection when required. Hence: a person employed to prepare or warm up an audience for another act.

Origin

1970s; earliest use found in Screw. Apparently from fluff + -er.

Pronunciation

fluffer

/ˈflʌfə/