Cog slops Share definition Flag A phrase that is only said if you want to join a person’s Xbox Live Party. Person 1: “Can I join the party with you?” Person 2: “Only if you say cog slops.” Person 1: “ Cog slops!” Cog slops by jpotts_48 July 2, 2019 0 0 Get merch Get the Cog slops mug. Buy Now — $32.95 See more merch