When you party so hard in an awesome bus with like all of your friends, and it totally feels like an overdose.

1. noun. It is the sudden feeling of an inexplicable joy one gets when something romantic or idealistic occurs.

When kilig, one may experience the following:

*butterflies in one's stomach
*heart melting
*shivers down one's spine
*irrepressible noises from one's mouth
*uncontrollable smiling
*an inner conflict between hope of something wished for and reality

Kilig may also be defined as that mountain top, floating, on cloud nine, invincible, i-could-keep-smiling, heart aching goodness and feeling which overpowers the mind's ability to think straight, act straight, breathe properly and articulate thoughts into a single comprehensible sentence.

When you overdose while on a bus. Often related to cocaine. Related to the norwegian «russefeiring». Bad word, represents liberal values, can be used about people who takes a lot of drugs while «rulling».

The sad reality when you realize that you have a sad bus that no-one like so you have to make up a word too make it sound better than it is.

When you and your friends overdose on cocaine, while on "rulling".