Answer: FLUB

AnswerCrossword Clue
FLUBMess up one's lines
FLUBCareless mistake
FLUBBollix
FLUBBotch up
FLUBFoozle.
FLUBMake a botch of: Colloq.
FLUBBobble.
FLUBBotch: Colloq.
FLUBMake a botch of.
FLUBBungle, as a golf drive
FLUBBoner
FLUBMake a blunder
FLUBBollix up
FLUBMuff
FLUBMake a boo-boo
FLUBBlow one's lines
FLUBBlow it
FLUBBlooper
FLUBBit for the blooper reel
flubto perform poorly; blunder; bungle
flubblunder
flubto bungle (to mismanage)
FLUBBollux up
FLUBEmbarrassing error
FLUBErr
FLUBMishandle
FLUBBlow, as one's lines
FLUBMake a mess of
FLUBBoo-boo
FLUBBlunder
FLUBBotch
FLUBMake an error
FLUBExecute poorly
FLUBBungle
FLUBMess up
FLUBBlow
FLUBReason for an outtake
FLUBScrew up
FLUBBit for a blooper reel
FLUBGoof