brown-nose /ˈbraʊnˌnoʊz/ [broun-nohz] -nosed, -nos⋅ing, noun Slang.–verb (used without object)1. to curry favor; behave obsequiously.–verb (used with object)2. to seek favors from (a person) in an obsequious manner; fawn over.–noun3. Also, brown-noser. a toady; sycophant.Compare ass-kissing.