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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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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A phrase used by a person referred to as “big bean” saying they don’t cap
Y’all heard of that street gang leader named big bean, I heard big bean dont cap
by Gein Boi November 23, 2020
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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.”
by pdotbk December 19, 2019
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