When someone lying out they ass.
"Aye lil bruh, on my momma I got 30 racks on me right na"
"Hell naw, that's big cap"
by Big Rax January 10, 2018
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Aye Lil Bro, you flexing out here but you a big cap.
by Bramwel April 19, 2018
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When someone says or does something that he or she should be punished, or disciplined in some way for. This relates back to the large, disciplinary dunce caps that were used in late 19th - early 20th century schools as punishment for bad or unruly behavior. While wearing this cap, one was usually on time out in the corner of the classroom.
"Melissa stole some earrings from the jeweler last week and got away with it, nice ones too."

"Are you serious? That's big cap, what was she thinking?"
by Urban Authority May 10, 2019
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The combination of the terms capping and wellin.
bro was big cap wellin the other day.
by antdefeen April 22, 2019
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When you're so deadass you have to add the big ups cuz why not
Person 1: "It's hella hot in here no cap big ups"

Person 2: "On god, we should go inside no cap big ups"
by him111 January 24, 2023
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When you are super deadass you have to add the big ups cuz why not
Person 1: "It's hella hot out here no cap big ups we should go inside"

Person 2: "On god we should no cap big ups"
by him111 January 24, 2023
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When you make a really big lie, and then make smaller lies or excuses to back up the big lie.
“I totally went to class! I didnt skip. i’m a good kid.”
“No way! BIG CAP, SMALL LIES!”
by pdotbk December 19, 2019
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