Top definition. Kellis is someone who you will never forget. She is funny, pretty, and amazing in every way. She is a great friend, and genuinely cares about everyone.
She has an awesome smile and is a great friend kellis girlfriend. If you do anything to sexy a kellis socks outdoors naked will regret it.
Kellis unknown. Kelli unknown. You would be lucky to have a kelli in your life.
Person 1: Look at that girl? Wow i wonder what her name is. Person 2: Oh my god. I cant help myself from staring.