Trouser Ghost Share definition Flag When you emit toxic fumes from your behind, and it comes out of your trouser leg. Emma: ... can you smell that? Fred: Yeah, sorry, trouser ghost. Emma: ew. Trouser Ghost by TwoMuffinsInAnOven November 7, 2009 0 0 Get merch Get the Trouser Ghost mug. Buy Now — $32.95 See more merch