Characters
Espresso. It's like coffee-zilla.
— Dean · The Iron Giant

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The invented name turns a small coffee into an oversized creature. Espresso is imagined as the exaggerated version of an ordinary drink, making its impact sound comically disproportionate to its size. The joke depends on magnifying something familiar into something monstrous.
Context reviewed