agbaya

1. noun: Someone who behaves in a childish, irresponsible, or inappropriate manner for their age. It is often used pejoratively to criticize or ridicule someone who acts immaturely or in a way that is not befitting of their maturity or expected conduct.
   • Stop to dey do like agbaya. Yu suppose get sense by now.
     • Stop behaving childish. You should be sensible by now.
   • Dis man na real agbaya. Im dey do like pikin even dou e don old.
     • This man is really childish. He behaves like a child even though he is old

Etymology

From Yoruba. It is a combination of “àgbà” (meaning “elder” or “grown-up”) and “ya” (which implies inappropriate behaviour or departure from expected conduct).