baboon
Refers to the primate. Usually written in katakana as ヒヒ.
I saw a troop of baboons at the zoo.
lecher; dirty old man; skirt-chaser
Derogatory slang comparing a lecherous man to a baboon. Strongly pejorative.
That dirty old man is hitting on young girls again.
Hiragana spelling is also used, though katakana is more common for this animal name.
Kanji spelling using the iteration mark; very rare and mostly encountered in older texts or specialized contexts.
Kanji spelling without the iteration mark; equally rare and not recommended for learners.
The word is native Japanese, likely imitative of the animal's cry. The kanji 狒 are Chinese characters for baboon, used here as jukujikun for the native word.