smegatron Share definition Flag A word used to describe a large grumpy lazy twat. Does nothing but accumulate a thick layer of strong scented smeg. OI Steve stop being a Smegatron a give us a hand. smegatron by sm3gatr0n February 8, 2022 0 0 Get merch Get the smegatron mug. Buy Now — $32.95 See more merch