obsequious
A person who's so desperate for attention that they'll do anything, like kiss the most ass in the whole office. They’re like a dog that gets a treat every time they do a trick, but the treat is just another lie.
He kissed the boss’s ass so hard that he got a promotion and then forgot his own name.
She was so busy kissing the boss’s ass that she didn’t notice her hair was on fire.
He tried to kiss the boss’s ass so much that he got stuck in a door and had to be pulled out by the janitor.