I. ˈfləf noun
Etymology: perhaps blend of flue (fluff) and puff
Date: 1790
1. : down VII,1
2. : something fluffy
dandelion fluff
3. : something inconsequential
4. : blunder ; especially : an actor's lapse of memory
II. verb
Date: 1835
transitive verb
1. : to make fluffy
fluff the pillows
birds fluff ing up their feathers
2.
a. : to spoil by a mistake : botch
b. : to deliver badly or forget (one's lines) in a play
intransitive verb
1. : to become fluffy
2. : to make a mistake ; especially : to forget or bungle one's lines in a play