* Butterflies in your stomach: That fluttery feeling you get when you're around someone you like.
* A rush of adrenaline: The feeling of excitement and anticipation.
* Joyful anticipation: The happiness and eagerness you feel for something good to happen.
There's no single English word that perfectly captures the full meaning of "kilig," but some close translations include:
* Thrilled
* Excited
* Giddy
* Overjoyed
* Flustered (in a good way)
* Smitten
"Kilig" is a uniquely Filipino feeling, and its specific nuances are often difficult to convey in English.