Question

for the tenth time, no, i do not want some popcorn! dramatic irony - when readers know something the characters dont situational irony - when the events are the opposite of whats expected verbal irony - when a character says one thing but means the opposite

Explanation:

The person on the beach repeatedly refuses popcorn from the vendor. There is no hidden knowledge from the reader (not dramatic irony), and no indication that the character means the opposite of what they say (not verbal irony). The unexpectedness here is that one might expect a beach - goer to be interested in buying popcorn, but the character is not, which is situational irony.

Answer:

situational irony - when the events are the opposite of what's expected