noun
or nud·nik ˈnu̇dnik
( -s )
Etymology: Yiddish nudnik, from Russian nudnyĭ tiresome, boring (from nuda need, boredom) + Yiddish -nik (n. suffix denoting a person engaged in or connected with something specified), from Polish & Russian; akin to Old Slavic nužda need, Old English nēd — more at need
: a person who is a bore : nuisance , pest