It is for saying that he has no time that the monkey’s body became over-grown with long hairs.
More Nigerian Proverbs:
When a palm-branch reaches its height, it gives way for a fresh one to grow.Nigerian
A pig that is used to wallowing in the mud looks for a clean person to rub against.
Nigerian
Any wealth that takes only a market week to acquire is sure to contain in it things for which the gods will surely come to make claims.
Nigerian
Ugliness with a good character is better than beauty.
Nigerian
A thorn that pierces the toe should be burned by the light of a new moon lest the devil possess the foot.
Nigerian
A masquerade is not a spirit only because of its mask.
Nigerian