Cap 

To bail on someone, ignore them on purpose, or not show up for an event you said you were going to attend.

"Yo dude, I can't come over today I'm sick..."
"Bruh, you're cap as fuck."
"Nigga I'm not capping I'm sick as a dog!"
"Capping ass mother fucker I don't fuck with you anymore bitch."
"You always think I'm capping on you man, the fuck?"

Cap by Petrify February 2, 2015

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!

Cap by Kev314159 February 16, 2017

cap 

Meaning flake or bail; standing someone up on previously made plans without notice

Alright bro, we'll burn one later, better not cap on me!

cap by thealleykatt February 16, 2017

Cap 

A small clear capsule that's filled with the drug MDMA, mostly caps are always pure

"Oi I dropped 3 caps"

Cap by owes June 12, 2017

Cap 

A person that says something and they don’t do it but they truly Insisted on doing what they’d do for a time after not completing the task at hand

Decori is a cap

Cap by Krash the coo kid February 2, 2018

Cap 

Cap basically mean to pop or shoot someone. Or to hit somebody.

“Bro I swear on my imma bust a cap on yo ass”

Cap by GdfjonfEgdgi February 18, 2018

Cap 

making money off a business deal that you orchestrated between two people you know.

Ex. I cant let him meet my people because im trying to cap

Middleman ; Middlemanning

Ex. Its my plug, so you know I'm cappin

I can't let him meet my people cuz you know I'm trying to cap

Its my plug, so you know I'm cappin

Cap by Mylito Mo$$ June 14, 2018