šiknakaulis

== Lithuanian == === Etymology === šikna (“ass”) +‎ kaulas (“bone”) === Pronunciation === IPA(key): [ʃʲɪkˈnaːkɐʊlʲɪs] === Noun === šiknãkaulis m stress pattern 1 (Marijampolė, vulgar, slang, anatomy) tailbone ==== Synonyms ==== uodegikaulis, stuburgalis