When mayo is used as a lubricant during anal penetration and the anus is not cleaned properly then the mayo shall rot, and maggots will form within the anus.
Jack used mayo as a lubricant on John's misshapen, disgusting, ghastly, revolting, repulsive, and nauseating ass as he proceeded to anal fuck him quite modestly. The mayo became trapped within his anal cavity and was never fully cleaned out thus causing the mayo to rot, and maggots began to form within John's feeble anus. John screamed out in frustration, "ass mayo!"
by Johhny Whiplash June 04, 2009