Answer: spike

AnswerCrossword Clue
SPIKESudden upturn, as in sales
SPIKERail nail
SPIKEDirector Lee
SPIKEReally high heel
SPIKELace
SPIKEAbrupt increase on a graph
SPIKESudden increase on a graph
SPIKEAdd liquor to, as punch
SPIKEVolleyball kill
SPIKEShoot up
SPIKEAdd alcohol to, as punch
SPIKENet feat
SPIKELace with liquor
SPIKESlam a volleyball down
SPIKEFastener or unbranched antler
SPIKEActor-director Lee
SPIKESkewer
SPIKEBandleader Jones
SPIKELace the punch
SPIKETD aftermath
SPIKEGraph aberration
spikeear of grain
spikelong thick nail
spikestalk of flowers
spikestiff, pointed part
spiketo fasten with a long, thick nail
spiketo fasten with spikes
spiketo suppress or stop
SPIKESharp increase
SPIKEHard hit in volleyball
SPIKEEar of grain
SPIKEVolleyball maneuver
SPIKESudden, brief increase
SPIKEDo the Right Thing director Lee
SPIKEElectric surge
SPIKEBig Board jump
SPIKEAdd liquor to
SPIKENetwork formerly named TNN
SPIKESnoopy's brother
SPIKEFeature of a punk hairdo