1 definition by Jovial Badger
Two girls that share a relation to each other such as sisters that do anything in their power to flirt with anything that has a penis. Mostly refered to as skank.
Bob: Man did you see those girls flirting with me?
Sam: Yeah they were acting like such Lehnen sisters.
Sam: Yeah they were acting like such Lehnen sisters.
by Jovial Badger March 27, 2009