Interjection; (kay-ter-s)
1. an abbreviation for "K (space) Laters" or "KK (space) Laters" often followed by a comma, a series of commas, an
exclamation point, and very rarely a
question mark.
2. the briefest and cutest way to say farewell to a friend besides a physical kiss or a hug.
sarcastically, it may be used to show great disdain, contempt, fickle weariness, or social rejection of the 'friend'