T-bellin' Share definition Flag To walk like a badass. The act of swinging your penis around to smack any passing pedestrians, while t-bagging the ground. Nicnak: Some dick was t-bellin' in front of Wal-mart yesterday. Tree: That was me. T-bellin' by Zoezoe November 17, 2010 0 0 Get merch Get the T-bellin' mug. Buy Now — $32.95 See more merch