A person who always lies about getting jumped and dating a girl, even though we all know it’s just his stepsister
Jim is a capper
by Villa_jah October 15, 2019

by NooniCapper Shay February 26, 2018

Person 1: "Oh, Syed said he'd come to workouts today"
Person 2: " hahaha that's hilarious, he's such a capper"
*Person 1 and 2 laugh for the next 30 minutes*
Person 2: " hahaha that's hilarious, he's such a capper"
*Person 1 and 2 laugh for the next 30 minutes*
by this man a capper August 8, 2021

An insult that Implies that a person who's thinking or thought process is low and their maximum ability to think is still low.
by thegoldenbeetle July 8, 2019

A person who feels the need to constantly correct others, or prove their lies incorrect, also known as capping.
John was a big capper, barging into our conversation and disproving my friends story of him going fishing because that species didn't exist in the USA.
by Leonidas of Alexandria March 5, 2024

Someone that backstabs and steps on others to further themselves. In many cases these individuals will lie to make them look better and try to convince others of their lies.
by AkbarCapper July 2, 2024

by Jay bone Capone July 8, 2024
