cap (noun, verb, slang) (n.) A falsehood, exaggeration, or lie. "Saying you climbed a V10 after a month? That’s cap." (v.) To lie, exaggerate, or be deceitful

cap (noun, verb, slang) (n.) A falsehood, exaggeration, or lie. "Saying you climbed a V10 after a month? That’s cap." (v.) To lie, exaggerate, or be deceitful. "He said he coded the whole app in a day, but we know he capping."