Someone who incredibly cute and sexy in the most adorable way possible. Compares favorably with a yawning baby koala bear.
That madison z is so adorable. She's a cutie butt!!
by maaadmaaadmaaad May 07, 2013
A person who is really really cute and you have to add 'butt' at the end because butts are cute and makes the person in discussion sound even cuter
Shar is such a cutiebutt!
by WLog November 21, 2011