in for a dime, in for a dollar

Meanings:

• 1.

  USidiomaticinformal
  • Once committed to a small action or loss, prepared to accept the larger consequences or to continue to a greater degree of involvement.

• 2.

  USliteralneutral
  • Having already paid or risked a small sum (a dime), therefore also being prepared to pay or risk a larger sum (a dollar).