cray-dar
The ability to detect whether or not a person is crazyThe ability to detect whether or not a person is crazy.
Meaning
1 senses(slang, uncountable)The ability to detect whether or not a person is crazy.
Origin
From cray (“crazy”) + -dar.From cray (“crazy”) + -dar.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable