la-la noun 3verb 2adjective 1forms 4 noun3 •(slang, euphemistic) A woman's genitals, especially the vagina; a sexually permissive woman.Thankfully, other BB starlets have gone on to find work that doesn't involve pushing their la-las together for one-handed mags. — 2009 •(Singapore, informal) Venus clams (as food)For good measure, a serving of "la la" clams adds decoration and a pleasant brininess. — 2017 •(US, slang) Something unusually good; (occasionally) something unusually bad.We all agreed he was wise, but we did want the worst way to see that girl. We were sure that she was a la-la from all Billy said. — 1897 verb2 •To sing or recite the syllable la repeatedly. •To sing (a song) with la replacing the song lyrics.PETER immediately begins ‘La, la-ing’ ‘The Merry Widow’, pulls JOSEPHINE up into a dancing position and begins to waltz her clear of the screen then towards the french window — 1969 adjective1 •Of indifferent quality; so-so.Parker's play is only la-la; he is a low fellow, and as clownish in his manners as he is in his dress. — 1876 formsla-la-ed · la-la-ing · la-la-s · la-las