noun, feminine/ɡwin/plural: gouines
lesbian, dyke
“Je bouffe des chattes, je suce des tétons et je glisse mes doigts dans leurs jolis petits culs, grand-père, mamie, chers oncles, chères tantes, ma chère Ludivine, je suis gouine.”
Synonyms: lesbienne, lesbiche
Related: gouinage, gouinasse, transpédégouine
Unknown. Possibly borrowed from Breton gouin, from Middle Breton gouhin, from Proto-Brythonic *gwėɣin (“sheath”), itself borrowed from Latin vāgīna (“vagina”); in which case, a doublet of gaine (“sheath”) and vagin (“vagina”).