She will indite him to some supper. The nurse, who is not the most educated person in the world, commits a malapropism

here. She uses the wrong word, but one that sounds like the word she intended. What the Nurse meant to say was, "I desire some conference with you," meaning she wants to speak to Romeo.

When Mercutio tells Romeo that Romeo gave the the counterfeit What does he mean by this?

43-45). A "French slop" is a pair of baggy breeches; Mercutio is calling Romeo "fancy pants," and he follows that with a play on the word "counterfeit." A counterfeit coin was called a "slip," so Mercutio is saying that Romeo gave them the slip the night before.

What is an example of dramatic irony in Act 2 of Romeo and Juliet?

One example of dramatic irony in Romeo and Juliet is Romeo's attempt to dismiss the danger of his and Juliet's relationship: “Alack, there lies more peril in thine eye / Than twenty of their swords! Look thou but sweet, / And I am proof against their enmity” (act 2, scene 2).