A term used to express that one is running an illegal business in the whole zip code. A way to flex how much coverage a person has around the area in which they are doing illegal business.
Trappin out the bandwith means to illegally download music from illegitimate websites. This usually comes about by not wanting to pay for albums, streaming services or online vendors. Thus you use your internet to download music.
"Drakes new album came out but i only fuck with 3 songs so im going to be trappin out the bandwith this weekend and listen to it in the car"
1: Pirating music off of illegal websites because you are already subscribed to one music streaming service and don't want to get multiple subscriptions just because ALL the artists or songs you listen to aren't on the service you are subscribed to.
2: Pirating music because you don't want to pay for music AT ALL when you can get it for free illegally.
3: Pirating music because you can't afford a subscription.
Matt: Yo you gonna get that new Drake album?
Justin: Yea but only if it's on Spotify otherwise i'm trappin out the bandwidth.