👉 Whammy is a slang word that refers to a person who has been caught in a minor traffic accident. It's often used to describe someone who has been involved in an accident and was not able to move their vehicle quickly enough, causing them to slow down or stop completely. The term "whammy" comes from the phrase "wham!" which is a word ending with the letter "y," and it can be used as a pun or play on words. It's often used