The title and plot point refers to the zoot suit, a suit with high-waisted, wide-legged, tight-cuffed, pegged trousers, and a long coat with wide lapels and wide padded shoulders. This style of clothing was popularized by Mexican-Americans, African Americans, and Italian Americans during the late 1930s and 1940s. See more
[Imitating Charles Boyer
Ah, I love you. When I'm with you, I am what you call, uh, a hep cat. I am hip to the jive. I'm in the groove, darling.
Now you're REALLY sendin' me, Jackson.
Ah, you set my soul on fire. It is not just a little, uh, spark. It is a flame; a big roaring flame. Ah, I can feel it now. It is burning... burning... burning... hey. Something is burning around here !