someone licking anus; someone trying to obtain advantage by offering excessive flattery, praise and compliments, usually not sincere
..this sphincter-licker managed to get another raise!
by Swiss Dude April 15, 2010
1 more definition
Someone who enjoys licking the anus of another person. The word sphincter comes from the circular muscle found at the end of your rectum, therefore when one places their tounge on this muscle, they become a Sphincter Licker.
A man who enjoys licking ass whether male or female, is a Sphincter Licker.
by Casey_Australia August 19, 2008