rimmer
(noun)
noun
1. An implement for cutting, trimming, or ornamenting the rim of anything, as the edges of pies, etc.; also, a reamer.
2. One who performs oral sex on the anus of his/her partner.
- See also rim, rim-job.
3. A mixture of confections, spices, and/or salts applied to the rim of a beverage glass or mug.