The literal meaning of the word is, high worship with camphor or wick flames at the end of all devotional offerings and rituals at the temple.
In both cases, your head is bent in real or fake reverence throughout the session. You feel hot and cold at the same time. You resolve to make life-altering resolutions.
The problem with life-altering resolutions is they seem uplifting.
They give a sort of high. They make you addicted and make you go through everything you did to get there: Building up your carry-over bank balance of flunked subjects in school. Building up your bank balance of what others opine to be sins in life and you agree to that opinion except when you are utterly busy committing them.