fanny flaps

Noun

UK plural plural-only slang vulgar

(UK, slang, vulgar) The labia majora.

Japanese Meaning

大陰唇

During the lecture, he awkwardly referred to the anatomy diagram as 'fanny flaps', making several students uncomfortable.

講義中、彼は解剖図を不適切に「大陰唇」と呼び、数人の学生を不快にさせた。

Sense（1）

(UK, slang, vulgar) The labia majora.

Ewwwww, just hope to God she had plastic surgery on her fanny flaps.