. . . "105397470"@en-us . . "0.125"^^ . . . . . . "a mutual promise of a couple not to date anyone else; on college campuses it was once signaled by the giving of a fraternity pin"@en-us . . "0.125"^^ . . . "107228349"^^ . "07228349-n"^^ . . "pinning"^^ . . . "pinning"@en-us . "106784718"@en-us .