Bog cough Share definition Flag The cough that people having a crap in a toilet stall give to ensure you know they're in there. I'm glad he gave a bog cough or I would have kicked that door down and shat in his lap. Bog cough by supertedsnastyuncle April 8, 2010 0 0 Get merch Get the Bog cough mug. Buy Now — $32.95 See more merch