シコ猿ざるMeanings1nounmasturbation addict; compulsive masturbatorvulgar expression or wordinternet slangVulgar internet slang; used derogatorily for someone who masturbates excessively or is obsessed with it.あいつは一いち日にち中じゅうオナニーしてるシコ猿ざるだ。That guy is a masturbation addict who jerks off all day.