A person who will say and do anything that their comrade, higher rank or friend does. For example a random person might call you "gay", the ass licker will also then say "yeah you're gay". If you find an ass licker make sure you run away as fast as you can because now you have 2 retards in front of you.
Stop being such an ass licker and copying whatever your friend says mr.potato.
1. A person or persons who are constantly licking someone elses ass so they can get something in return. Often used to describe teachers pets and people who suck up constantly.
2. Jason Drury
1. You're such an ass-licker Jason that it is impossible to tell where you start and the teacher ends.