A situation where multiple people diverge from the topic on hand to deliver a barage of puns that distracts from the topics and disorients the topic originator.
Person A: "I read in the news this morning that a blind man was hit yesterday by a car at the intersection in front of our office"
Person B: "I bet he never saw that one coming"
Person C: "I think the driver must have turned a blind eye"
etc..Pun Tsunami