Mellow Fellow Share definition Flag A man that is calmer than usual, popularized by the song "Mellow Fellow" by B.o.B. "why is that dood reading at the UFC game" "i dunno, he's a mellow fellow" Mellow Fellow by Two-Thousand and DREW March 25, 2010 0 0 Get merch Get the Mellow Fellow mug. Buy Now — $32.95 See more merch
