Roominate room-ee-Nathan verb 1. To be uncertain as to why one has entered a room. 2. To dwell on something a housemate did. "As we get older it is natural to roominate more and more; however the younger generation has shown a tendency to first roominate and then to substitute hours of social media for whatever task they had initially embarked upon. -Dementia, Dario."Potential for the use of Cell Phones in Mind Control".