Answer:

BOOR

AnswerCrossword Clue
BOORClumsy one
BOORCrude fellow
BOORCrude person
BOORUncouth one
BOORRude person
BOORRude one
BOORRude dude
BOORClodhopper
BOORClod
BOORParty spoiler
BOORLout
BOORBarbarian
BOORPhilistine
BOORHardly a gentleman
BOORCrude dude
BOOROne lacking manners
BOORChurlish sort
BOORYahoo
BOORNo gentleman he
BOORChurl
BOORUnmannerly sort
BOORIll-mannered sort
BOORChurlish chap
BOORIll-mannered guy
BOORNo Emily Post expert
BOORKnuckle-dragger
BOORUncouth person
BOORRude, crude dude
BOORCountry bumpkin
BOORLummox
BOORSurly sort
BOORInsensitive sort
BOORUncouth type
BOORVulgar person
BOORJackass
BOORIll-mannered one
BOORUnrefined sort
BOORVulgarian
BOORHardly a sophisticate
BOORUnrefined type