big ass joints or blunts. 10g's+. also called: jibba jabbas, L'ton johns, Lumpkins, Chunksta's, or Rippa Malones.
there spun up fat and usualy rolled in a coned out baseball bat shape. Blended with all kinds of bomb buds, hash, and coke.
"damn son you be smokin fatty johamagans."
"chea, that shit sent me to turtleville."
"yo im outa my turkey tits from that johamagan."