6ix9ine
1. v. the act of telling on someone else; to snitch; snitching

2. n. someone who tells on someone else; a tattletale; a narc; a squealer; a snitch
1. girlA: *opens window*
brother: hey, where are you going?
girlA: gonna meet some friends out. dont 6ix9ine on me

2. girlA: sorry, i cant hang out tonight, i'm grounded
girlB: what happened?
girlA: my lil brother's 6ix9ine head ass told my parents i snuck out last weekend
girlB: damn, girl. that's ugly