In the S01E12 of Frisky Dingo, "Penultimate Fighting", one of the characters says:
He's like a kid in a candy shop, and that candy is... success. And I'm that friendly man at this cash register with a handle bar mustache chuckles
another character responds:
I think I'm missing the key reference.
I've got to admit that I'm also missing the key reference here. Does anyone know what this could be referring to?