to be complete taken with someone, seeing them makes you smile. And when you hear their text message alert or their ringtone your heart flutters a little bit.
Pure, uncontrollable, excitingly overwhelming, romantic thoughts/feelings towards a certain someone; brought forth and felt through the heart. Usually the more you know about someone the easier it is to find yourself smitten over them. It's more than a liking crush but less than love. It's like dipping a toe into a pool of what it is like to fall for someone; a scary process because of the vulnerability it brings about, but after all that's why it's called falling and not rising.