immature,underdeveloped cerebral cortex,unfit for real world survival

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.

Someone associated with having a low iq and a below average common sense.

Individuals that search their names on Urban Dictionary and share the definition with others in order to feel good about them seleves. These people generally have IQs equivalent to that of small fish and think that Lelepons is funny.

somebody who has a very small brain and can't make simple decisions

Someone so mentally retarded it hurts

A Brainlet is a term used to describe a certain person who is so stupid it defies all known laws of aviation. A prime example of this is Ricky (XTRVN), and he fills his entire discord server with like-minded people. (e.g. they are furry hentai loving fucks).