not think twice about (something)

not think twice about (something)

To do something without worrying or stopping to consider the consequences, perhaps hastily and recklessly. She didn't think twice about getting on the train and going to Spain with him. When life gives you great opportunities, you can't think twice about seizing hold of them.
See also: not, think, twice
Farlex Dictionary of Idioms.
See also:
  • snap decision
  • take the ball before the bound
  • snap judgment
  • chuck (something) into (something)
  • chuck into
  • bustle off
  • on impulse
  • shoot from the hip
  • fire from the hip
  • hip-shooter