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A term of endearment for the love of your life, usually female. A Babykitten is someone with all the best qualities such as being: sexy, mischievious, beautiful, intelligent, cute and just overall amazing.
Can I sex you up, you cute Babykitten?

You see her? she's my Babykitten
by SexyBabyKitten February 10, 2011
A underaged female (18-)...polar opposite from the Cougar (a female who is in her late 30s or older)
Tim: "Hey can I go out with your sister?"

Brian: "How old are you?"

Tim: "22"

Brian: "Dude, my sister is a baby kitten, she still in high school!"
by heeyhey he May 01, 2010