lexiphane
mispronouncer
misdescriber
jargonaut
smart aleck
misconceiver
pseudish
worder
mislabeler
misunderstander
belittler
phraser
logomachist
misaligner
misspeaker
mannerist
wordsmith
colloquialist
misnamer
obscurant
profane
synonymizer
logolepsy
misapplier
euphemist
foister
synonymist
preannouncer
misidentifier
misstater
enunciator
logomaniac
misplacer
misteacher
Monday-morning quarterback
vociferator
obviator
prepositive
verbicide
loser
waffler
eyeballer
Grundyist
grimester
John Bull
slangologist
hackneyer
amasser
would lose one's head if it wasn't attached
jargonist