i got five on it - You're saying you're gonna pay five bucks for that junk, and

You're saying you're gonna pay five bucks for that junk, and you're not even sure if it's worth it, but you're gonna do it anyway.

I got five on it, and I'm gonna smoke that trash.

I got five on it, and I'm gonna laugh at you when you fail.

I got five on it, and I'm gonna eat that junk.