A person who agrees with anything a person says to any extremity or range.
Usually referred to as a 'bitch', or a more kid-friendly way, "Yes-man". Or if there are a surplus amount of people that fall under this definition then they are referred to as "Yes-men".
"I saw Andrew talking to someone and he was agreeing with everything he said, which is weird because the guy he was talking to was a neo-nazi talking about how Jews are evil? What a Yes-man."
The yes man challenge as inspired by jim carreys role in yes man you must go 24hours without the use of the word no
The yes man challenge as inspired by jim carreys role in yes man you must go 24hours without the use of the word noBob:Hey jim sally wants you to partake in a 3 way with her and sally what you think ?
Jim:yes