In everyday Spanish, "tonto" is an adjective meaning silly, stupid, or foolish. As a noun, el tonto translates to "the fool".
References
often used for travel programming and documentaries due to its authentic, quirky sound. "Vete Lejos" by Bulin 47 & El Tonto : A 2022 collaboration in the Dembow and Urban genre Film and Television The Making of "¡El Tonto!" 28 Nov 2012 — el tonto follando con la porrista felony top
—the name has become synonymous with a specific kind of Spanish-language entertainment trope: the lovable "tonto" who wins against all odds. In everyday Spanish, "tonto" is an adjective meaning
Final Verdict
Examples of El Tonto in Spanish Language Entertainment "Vete Lejos" by Bulin 47 & El Tonto
If you rely on the sanitized subtitle, you think the character is mildly annoyed. In reality, they are invoking a bizarre, physical curse involving dairy products. The fool yawns; the connoisseur laughs.