What is the meaning of Kick_in?

To kick; to collapse or break by kicking.

1. To kick or strike so as to cause the object struck to collapse or fall inwards.

   To kick or strike so as to cause the object struck to collapse or fall inwards.

   To kick or strike (a person); to beat up.

   To begin, contribute or join in on.

   1. To start, connect, or take effect, especially in a sudden way; to begin functioning.

      To start, connect, or take effect, especially in a sudden way; to begin functioning.

      To join or begin.

      To contribute, especially to a collection of money; to hand over.

      To die; to give up on something.

      Source: wiktionary.org