1 definition by KawaiiDei

Top Definition
A popular yaoi couple in the anime/manga D. Gray Man that consists of Yuu Kanda and Allen Walker.
Yullen is my yaoi OTP. *o*
by KawaiiDei March 30, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug