When a person cracks a joke, or says something ridiculous, that really isn't funny at all, or is just really ridiculous, and every person surrounding him/her is in complete utter silent to the point where he/she can actually start to hear non-existing crickets.
Brian: Hey I know what I want to be when I grow up!!
Manager: What now Brian?
Brian: A soccer player!!
Manager: You don't even play soccer.... "cricket"