This phrase is said by the LSC D&T teacher Mr Ng, nicknamed small Ng and 8745. He said this phrase in a D&T lesson. When the students corrected him, he insisted that 80/2=60.

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.

According to the Ng's Theory by 8745, a D&T teacher form LSC who broke his leg while chasing a bus. 80/2==60.
8745 is the worst D&T teacher forever. His nickname is DETECTIVE NG or NINJA.
By the AMU times.