Discussion Forum—A Way with Words, a fun radio show and podcast about language

The comment about “Graydar” opens a wide range of possibilities:

Braydar: detects donkeys.
Claydar: detects pottery
Craydar: detects supercomputers or mudbugs
Delaydar: detects detours
Flaydar: detects grilled food
Fraydar: distaff ability to detect spouse's sartorial flaws
Haydar: detects barnyards
Laydar: detects potato chips and other snack foods
Maydar: detects permission
Naydar: detects negativity
Paydar: detects salaries
Praydar: detects places of worship
Quaydar: detects docks
Raydar: detects sunbathing locations
Saydar: detects philologists
Traydar: detects cafeterias
Waydar: synonym for GPS