The very first word in the Urban Dictionary.
 is just a pretending-to-be-first fake.

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.

this is known as the first definition in urbandictionary.com. Although it isnt slang and there isnt much of a pronouciation its still very nice to have on your shoulder!

This is the Start of Heading character in the Unicode standard. It used to mark a non-data section of a data stream, when that was needed. It is also the first alphabetically-sorted term on Urban Dictionary. It looks invisible here.