Catch-all term for marijuana. Comes from the name of Tom Bombadil's horse in Lord of the Rings.
yo wassup nigga let's cruise the burg and blaze it up on some fatty lumpkin
1. Term used to describe a rather large and lumpy joint (marijuana cigarette).
2. Term used to describe a rather large and lumpy female (huge bitch).
1. If you're not doin anything, maybe we can go for a cruise and smoke this fatty lumpkin.
2. Fatty lumpkin I'm gonna get a blumpkin, fatty lumpkin she's the one for me!