deluge
overween
daunt
sweep someone off their feet
overcharger
blow over
overcompetitiveness
engulf
overpayer
inundate
overperformance
overutilizer
overelaborately
overbearer
overfastidiousness
overbear
overcompensator
overburn
overguesstimate
overloadability
overassertively
heavy-handed
leapfrog
superate
overgeneralization
overpromiser
overissue
overcatch
overcapitalization
overshoot
overplay
outcrafty
overextender
overripely
hyperexpression
overcritically
overpronator
overassertiveness
overwhelm
superserviceable
overcommitter
spoil someone rotten
cripple
overcomplicator
outstep
overeagerly
overruff