Definition of kick something in in US English:

kick something in

phrasal verb

North American
  • Contribute something, especially money.

    ‘if you subscribe now we'll kick in a bonus’
    • ‘But if you're willing to kick some money in, his investment choices will widen.’
    • ‘As private donors kicked in more money, every aspect of the blueprint kept changing.’
    • ‘Both the Soviet Union and the United States were eager to kick in cash and advice.’
    • ‘If you call them soon enough, surety firms might be able to kick in some money to ease cash shortages as well as to share good ideas and offer lots of expertise.’
    • ‘It wasn't a cheap flight, but luckily Sara's parents had kicked in a ton of money.’