Fridge Invasion is a term used to describe the act of raiding someone's refrigerator without their permission. The term is often used in a humorous way, but it can also be used to describe a serious situation where someone has broken into a home and stolen food from the refrigerator. The crossword solution for this term is RAID, which is an acronym for Rapid Assault and Immediate Deployment. This term is used to describe a military tactic that involves quickly entering an area and taking control of it.