kick in (
http://definr.com/kick in)
v 1: enter a particular state; "Laziness set in"; "After a few
moments, the effects of the drug kicked in" [syn: {set
in}]
2: contribute to some cause; "I gave at the office" [syn:
contribute,
give,
chip in]
3: open violently; "kick in the doors" [syn:
kick down]