1. A phrase use to describe something, or someone that is uber cute and/or adorable.
2. A.K.A- Kawaii
3. A phrase used in the anime "K-on!" by Yui and Riccchan to describe the absolute adorableness of their friend Mio.
Mio sits in a corner after being teased, and looks at you with a blushing face, on the verge of tear.
Yui and Ricchan stare at her in awe, and make heart shapes with their hands.
"Moe moe, kyun!!"