SODAR = Sex Offender Radar; the internal mental bell that alerts one that another might be a sex offender. Can be based on any number of physical, mental, interactional, or psycho-social attributes.
The strange guy lurking at the playground set off my SODAR.
Some of the most dangerous child predators are able to fly under the SODAR of the community.
Sodar is the ship name between someone named Sophie and someone named Cedar.
Friend 1: Sophie and Cedar are a great couple.
Friend 2: Yes, I ship Sodar too!