so–and–so

1 ENTRIES FOUND:
so–and–so /ˈsowənˌsoʊ/ noun
plural so–and–sos or so–and–so's /ˈsowənˌsoʊz/
so–and–so
/ˈsowənˌsoʊ/
noun
plural so–and–sos or so–and–so's /ˈsowənˌsoʊz/
Britannica Dictionary definition of SO–AND–SO
informal
1 
[noncount] — used when the name of a person is unknown or not important
2 
[count] : a rude or annoying person