phrase that means no lie; truth; no limit. it is often used in a sentence with a dare or to express and emphasize a point.

That's a fuckin' lie

No lie or not lying

No cap usually refers to the phrase "no lie"

Caps lock on a computer keyboard. Represents SHOUTING in chat rooms,IRC chats and forums...

means that you’re not lying and are being serious. originated from the twitch emote Kapp and non twitch users started using it as “Cap” after hearing twitch users started saying it in public.

Term used for the cap of a mushroom, usually one of the psychedelic nature.