ass-kisser (noun)

1. Why did the ass-kisser buy breath mints? Because they wanted to make sure their mouth always smelled fresh while pleasing others!

2. During the reign of King Louis XIV, there were countless ass-kissers at the court who would flatter him endlessly to gain personal advantages.

3. In the movie 'The Social Network', Mark Zuckerberg's character is portrayed as an ass-kisser, constantly trying to please the venture capitalists to secure funding for his project.

4. In the science fiction novel 'Ender's Game', the protagonist encounters many ass-kissers who manipulate their way up the ranks to gain power and favor from the higher-ups.