The irony in these lines is that the narrator is describing the Summoner as an alcoholic person, which is not something the reader would expect to read about him.
There is irony in the phrase <em>"You'd meet none better if you went to find one.", </em>given the fact that the Summoner is a dishonest person with no morals, besides he drinks excessively and could forgive anyone to act badly only to gain some wine.
The irony behind the words used by the narrator to describe the summoner in the prologue of "The Canterbury Tales" is:
Inside the phrase: You'd meet none better if you went to find one.
Because he was also a sinner, who would let anyone sin if they found a deal.
Explanation:
All right, so the irony in this scene is that the summoner was a man at the church's service that would allow anyone to take a concubine if they provided wine to drink because he was also a sinner. A Man at the service of the church who had a drinking addiction, that would allow a man to go with his sin for help to keep his sin alive.
