Answer: palsywalsy

AnswerCrossword Clue
PALSYWALSYLike close chums
PALSYWALSYReally friendly
PALSYWALSYChummy
PALSYWALSYBuddy-buddy
PALSYWALSYThick as thieves
PALSYWALSYLike close sidekicks