"You canker blossom!" 3 Shakespearean Insults
1947, from Yiddish, with agential suffix -nik + Polish nuda "boredom" or Russian nudnyi "tedious, boring," from Old Church Slavonic *nauda-, from PIE *neuti- "need" from root *nau- "death, to be exhausted" (see need (n.)).
An annoying person; pest; nuisance; nudge: the story of a gang of nudniks trying to defeat the establishment/ remains an unreconstructed nudnik throughout
[fr Yiddish nudne, ''boring'']