obsequious
A person who thinks they’re cool just because they smile a lot at the most ridiculous person in the world. They’re like a kid who thinks the president is the most amazing person ever and doesn’t notice they’re being laughed at.
He smiled at the president so much that he forgot to eat lunch and got a text from his mom saying 'you need to stop being so silly.'
She kept smiling at the president even when he was eating a sandwich with a fork like it was a sword.
He smiled at the president so hard that he fell out of his chair and landed on the floor.