Term: op cannon
Example: "yo dog, roll up a fat op cannon  a: "damn yo, i'm fuckin [faded], whats in this?" b: "damn straight yo, you're puffin on an op cannon"  a: "wooorrrddd
Definition: (pronounced like the first syllable in 'open') a massive joint, spliff, doobie, blunt, or other, preferably rolled as cone, containing some combination of weed/hash and opium