A different word for lying, used with internet slang
Robert: Yo i got the new Sony Xbox 200
Bob: bro what thats cap fr
Lying about something or over-exaggerating something.
He was capping when he told me about you.
A lie or when someone’s making something up
random guy: Yooooo i just won 163million dollars
me: stop playin...that’s cap
The action of one flipping a water bottle, causing it to land on its cap
Dude, that kid just capped the bottle four times in a row!