{adj. phr.} Being one whose name has been forgotten or whose name does not need to be mentioned. * /She told me to go to such-and-such a street and turn right./ * /Suppose, now, that we have such-and-such a group coming to the school, and we don't have enough chairs. What do we do then?/
SUCH-AND-SUCH
Meaning of SUCH-AND-SUCH in English
Slang English vocab. Английский сленговый словарь. 2012