yes-man

[yes-man]

noun

plural

yes-men 

1. a person who, regardless of actual attitude, always expresses agreement with their supervisor, superior, etc.; sycophant.

yes man

noun

1. a servile, submissive, or acquiescent subordinate, assistant, or associate; sycophant

Word History and Origins

Origin of yes-man¹

First recorded in 1910–15