brown-nose

[ broun-nohz ]
/ ˈbraʊnˌnoʊz /
Slang.

verb (used without object), brown-nosed, brown-nos·ing.

to curry favor; behave obsequiously.

verb (used with object), brown-nosed, brown-nos·ing.

to seek favors from (a person) in an obsequious manner; fawn over.

noun

Also brown-nos·er. a toady; sycophant.
Compare ass-kissing.

Origin of brown-nose

First recorded in 1935–40; brown + nose
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for brownnosing

brown-nose

/ slang /

verb

to be abjectly subservient (to); curry favour (with)

noun

an abjectly subservient person; sycophant

Word Origin for brown-nose

C20: from the notion that a subservient person kisses the backside of the person with whom he or she is currying favour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012