bullshit artist
A person who habitually makes exaggerated or insincerely flattering speeches designed to impress others.
Joe is a regular bullshit artist, small wonder he keeps getting promoted ahead of everyone else.
bullshit
Exaggerated or insincere talk meant to impress others.
"Joe, this is a lot of bullshit!"
To exaggerate or talk insincerely in an effort to make yourself seem impressive.
"Stop bullshitting me, Joe, I can't believe a word of what you're saying."