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Cap

In modern slang, "cap" means a lie or falsehood. To say someone is "capping" means that they are lying or exaggerating.

The use of "cap" in this sense is believed to have originated in the southern United States, particularly in African American communities.

One theory is that it may derive from the word "capping," which in the 1940s was used to mean "to top" or "to surpass," often in the context of boasting or exaggeration. This evolved into meaning "to lie" or "to exaggerate" over time.

The term gained widespread popularity through its use in hip-hop music and social media in the late 2010s.
He said he could run a mile in five minutes, but I know he's capping." (He's lying or exaggerating.)
by JayaMoss8819 June 4, 2025
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No cap

"No cap" means "no lie" or "I'm not lying." It's used to emphasize that what someone is saying is truthful or not exaggerated.

"No cap" directly stems from the slang use of "cap." By adding "no" in front of it, the phrase is used to assert that the statement being made is true and not a lie or exaggeration.

The phrase "no cap" became widely recognized and used in the mainstream, especially in music and social media, around the mid-2010s. It's often associated with hip-hop artists and their lyrics, where it was used to assert the truthfulness of their statements.
"I just got a new job, no cap!" (I'm not lying; it's true.)
by JayaMoss8819 June 4, 2025
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Blue Caps

"Unlike those Blue Caps, I prefer whole milk"
by Stormygeddon July 7, 2023
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Cap

Cap
You're cap.
by anonymous July 11, 2023
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capping

lying to someone fake or dishonest no one believes somebody
Phil- " Bro you're capping straight up"

Andrew- " nah man legit this happened I'm not bullshitting"
by terrywrist July 17, 2023
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cap

a screenshot or screen recording of someone flashing.
kody1206 spread caps around and was awarded “best blackmaileron the daily capper.
by anonymous August 3, 2023
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Cap

This originally came from "cap" guns, using fake pyro bullets popular in the 70's and 80's.
by Spyder_spyman August 10, 2023
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