Wet Fireworks Are Best When They're Wet

In the past, a squib was used to refer to a small firework. Many people believe this is what many people believe is the origin of this expression. If it's damp, that excitement is gone. Is so aand we use it quite commonly, as to say, in british english, and formally, to say something is a disappointment. Can you think of an example of a damp squib?