Where Did the Slang Cap Come From

What does cap mean in slang?

The expression “cap” is slang meaning “lie” or “bullsh! t” The expression “no cap” is slang meaning “no lie” or “for real,” The expression “capper” is slang meaning “liar” or “faker” The expression “capping” or “cappin’” is slang meaning “lying” or “faking”

Where did the slang no cap come from?

According to Dictionary.com, using capping as a phrase meaning “lying” originated from African American Vernacular English (AAVE) of the early 1900s. As previously reported by Bustle, capping originated as a “social ritual of exchanging insults” — similar to today’s roasting.