Meanings

  1. colloquial · humorousdummy, idiot; someone who isn't quite right in the head (rarely employed as a genuine insult, mostly in ribbing)

    Nein, da fahren wir auf dem Rückweg vorbei, du Hirni! Sonst müssten wir ja dreimal hin- und herfahren...No, we'll drive by there on our way back, you dummy! Otherwise we'd have to drive back and forth three times...

Examples

GermanEnglish
Tom ist kein Hirni.Tom isn't a crazy person.