Blackdar

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    The ability to detect whether or not a person is of African ancestry by observing that person. slang, uncountable

    "I said I saw predominantly black people in those "most dangerous neighborhoods", and you went on and on about how race is an artificial construct, what if his grandfather was white, yada yada yada, yet now you have no problem identifying the person in the video as a "black woman". How is that? Is it a gift only you have? I have heard of gaydar...you must have blackdar."

Example

More examples

"I said I saw predominantly black people in those "most dangerous neighborhoods", and you went on and on about how race is an artificial construct, what if his grandfather was white, yada yada yada, yet now you have no problem identifying the person in the video as a "black woman". How is that? Is it a gift only you have? I have heard of gaydar...you must have blackdar."

Etymology

From black + -dar.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.