Someone who loses their dignity in order to be fancied by most people. These people hide how they truly feel about a thing, person, etc. This all comes in exchange of unconditional "which is rarely achieved" acceptance.
George is such a fart smeller! He is behind Becky's parents 24/7. Why can't he just be himself and let the dices roll? I mean you don't have to be a jerk to your father or mother in law, but this is way to much!
A spoonerism of "smart feller", a humorous and frequently derogatory term used to describe someone who demonstrates intelligence (or a reasonable facsimile) in a conversation. Can be applied to males or females. First heard in the early 1990s. Identical to fart smucker
In conversation, it is sometimes followed by the correct pronunciation for humorous effect.
So THAT's how calculus works. You sure are a fart smeller. I mean smart feller.