Immediately we notice that this person has no head. His 'nut' is missing. A new generation is taking over.

He is finished and the upside down 'canoe' is a further sign of this. But it is not an upside down canoe, it looks more like a henua which is bent.

In a joking way it reminds us of the 'breaking shadow'-time according to Tahua (Aa1-20; the 20th glyph from the beginning implies also 'finish'):

Notice the very small 'head'-flame.

But this is a joke, because we are at the opposite time, when light has gone away. We are at the time of 'breaking light'.