The AOL/AOL Instant messenger mascot.
Tommy: What happened?
Kiko: Oh, yellowie cut me off...guess it's MSN for the rest of the night!
Greenie: Muah ha ha! Tommy has been disconnected, MYSTERIOUSLY!
Kiko: Damn it, Greenie! So, you and Yellowie are in cahoots, is it?!
Greenie: That's right, and you'll never catch us! Say, I think it's time for a little "maintenance delay!"
*Greenie disconnects Kiko*
Yellowie, Greenie: HA HA HA HA!
A racist term for a Chinese person (see chink).
That cheung is a yellowie.