Green’s Dictionary of Slang

(US) a fool, an incompetent.

1990		S. Morgan Homeboy 4: El Dorko whisked her off the bus and into a cab.
2003		www.tomclark.com 🌐 Tom has also written two short films, ‘El Dorko’ and ‘The Interview’. ‘El Dorko’ is based on Tom’s stand up and is currently playing on the festival circuit.