Top definition
An Adjective discribing a person who is:

a) Happy and Smiling, like a yelley happy face.
b) Scared, like someone who is yella'...
c) Loudy, like a people who keeps on yelling.
d) Melonin deprived, like a person who is very yelley...
You, stop being so Yelley you Mike Klingon!
by PATROCLUS December 23, 2004
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