the exact opposite of fat.
so not fat that fat refuses to stick to you.
If fat and antifat were to ever make contact the universe would cease to exist.

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.

to be very thin or skinny, the furthest thing from being fat. a great body

Someone who is against fats.
The leader of the antifats is 177_6.