1. pinworm, as in the rectum; white specks in feces; larvae, as of mosquitos; worm in dung or in taro. 2. Inferior taro left in the field after the crop is removed.
3. The bastard sandalwood (Myoporum sandwicesne), a native tree.
4. Name of a seaweed
Of all these meanings, the first one is the most well known. In fact, I would go so far as to say it is the most similar thing to a swear word in Hawaiian. If anyone refers to you as a pala naio, OUCH! that is a definite term of contempt, a definite swear word, cussing to the max! It means you are not even worth as much as a daub of excreta. We'll try to offset today's word with something much nicer tomorrow!
Naio ʻai kae - Dung-eating pinworm (an expression of contempt for one who slanders, especially his own ʻohana)
Kohu ʻole kahi wai o Kanaio - Unattractive is the water of Kanaio (A contemptuous expression meaning that something another person has said or done is worthless. A play on naio, found in the anus).