Meaning

• A reflexive jerking away.

  "My eye doctor hates the flinch I have every time he tries to get near my eyes."

• The slipping of the foot from a ball, when attempting to give a tight croquet.

Meaning

• To make a sudden, involuntary movement in response to a (usually negative) stimulus; to cringe.

• To dodge (a question), to avoid an unpleasant task or duty

• To let the foot slip from a ball, when attempting to give a tight croquet.