crusty mayonnaise Share definition Flag A dried semen stain, usually on clothing or furniture. Guy 1- Hey man, take a look at this stain on my pillow Guy 2- It looks like some crusty mayonnaise crusty mayonnaise by Not ur dad but doin ur mom September 30, 2013 0 0 Get merch Get the crusty mayonnaise mug. Buy Now — $32.95 See more merch
