Thrombago Share definition Flag The act of microwaving and buttering a bagle. Then having sex with it in a shower while strangling yourself with a belt. I just had the best thrombago last night, you might want to get some new butter though. Thrombago by DrascaL May 8, 2011 0 0 Get merch Get the Thrombago mug. Buy Now — $32.95 See more merch