The joke about the chicken crossing the road to get to the other side is an example of "anti-humor": meant to be funny because, on the surface, it is not.
Utani kuhusu kuku wanaovuka barabara kuenda upande mwingine ni mfano wa "uto-ucheshi": ulimaanisha kuwa wa kuchekesha kwa sababu, kijuujuu, sio.