ニタリ貝
also: にたりがい
Meanings
1
Korean mussel; Mytilus coruscus
Slang term for the Korean mussel, a species of edible saltwater mussel. Also known as 貽貝 (いがい).
See also: イガイ
Korean mussels are often used in Korean cuisine.
2
silicone male masturbator; pocket pussy
Slang term for a silicone receptacle designed for male masturbation, often shaped like a mussel. The name comes from the resemblance to the shellfish.
Apparently some people buy silicone masturbators online.