noun, masculine/floxoˈnaθo/plural: flojonazos
one who is lazy
“Y ahora, ¿quién me va a limpiar mi casa? —¡Tú mismo, pues, flojonazo!—grita Petronila, detrás de mí, y doy un respingo, asustado.” — And now, who's going to clean my house for me? / "Yourself, of course, lazy bum!" hollers Petronila, behind me, and I give a start, startled.
From flojo + -onazo, from an extended variant of -azo.