The female equivalent of "Tunnel Buddies". When two females have had coitus with the same male ( not necessarily at the same time).
Stav: Omg did you hear that Shay and Maya both had sex with Harel!1!1!1
Tamar: So are they Shlong Sisters?
Stav: Yup!1!1!
Tamar: So are they Shlong Sisters?
Stav: Yup!1!1!
by shlongsisters May 7, 2021