thing o anchovies and a bagel
The act of rimming a man, the hole in the bagel is referential to the butthole, and the anchovies refer to the ravenous man that has his mouth open and pleasuring the receiver. The anchovy is also a fed upon by several top level predators and this represents the role of the person that uses the terms place in the hierarchy of being available for a wide range of types of men.
"Wow, did you hear about Timmy! He lined up for all the guys last night, it was a real thing o anchovies and a bagel!"
anchovy on a bagel
A term used by a man that loves rimming the butts of other men through a bagel.
"Wow, that guy really likes to rim through that bagel, his tongue looks like an anchovy darting through that hidey hole! Thats an anchovy on a bagel