mayonnaise mustache Share definition Flag this is when a man cream pies (cums on a girls vagina)and then licks her out after "jees i was so wasted last i night i ended up with a mayonnaise mustache by the end of it" mayonnaise mustache by briangormley February 19, 2009 0 0 Get merch Get the mayonnaise mustache mug. Buy Now — $32.95 See more merch
