What does grundle mean?
Score: 4.7/5 (42 votes) Noun. grundle (plural grundles) (US, slang) The perineum; the area between the anus and genitals.What is Grundle butter?This strip of skin accumulates sweat, but with nowhere to escape, the sweat thickens into an oily film known as "duck butter" or "grundle butter." Without a...