kick in

verb

To kick; to collapse or break by kicking.
“Upon hearing residents in the burning house, the passerby kicked in the front door and yelled to those inside.”
“You touch me again, I swear I’ll kick your teeth in.”
To kick; to collapse or break by kicking.
To begin, contribute or join in on.
“You have to push the switch hard to get the heater to kick in.”
“I took my medication an hour ago, and it hasn't kicked in yet.”
To begin, contribute or join in on.
“You should kick in on the work.”
“The rhythm section will kick in after that point.”
To begin, contribute or join in on.
“For the year-end party, we're asking each employee to kick in twenty dollars.”
“This is a worthy charity, so everyone should kick in.”
To die; to give up on something.
“The business is going to kick in most likely.”