arch cleavage noun for a foot fetishist, the arch of the foot when enhanced and displayed in a high-heel shoe US
Deep colored p-hose, low toe cleavage (and arch cleavage) two toned red and black pumps on a girl that KNOWS how to flex her foot — alt.pantyhose, 22 October 1998
Arch cleavage–a high arch is considered very sexy. — Angela Lewis, My OtherSelf, p. 27, 2010