Brown-nosers are also known as 1. Ass-kissers 2. Sycophants 3. Suck-ups 4. Bootlickers 5. Toadies 6. Yes-men 7. Flatterers 8. Fawners 9. Grovelers 10. Crawlers 11. Lickspittles 12. Subservients 13. Followers 14. Lackeys 15. Doormats. All these words are used to describe a person who is excessively obsequious or servile in order to gain favor or advantage with someone in power. It is important to use such words carefully and appropriately to avoid offending or hurting the feelings of others. Instead of using derogatory terms, we should treat people with respect and kindness regardless of their behavior.