mayo

noun

Plural:   mayos

A short form of the word "mayonnaise".  Any sort of mayonnaise.  Any mayonnaise-like or mayonnaise-derived food.

Examples: 

Figure 2.  ...This particular photographed food was oven-baked and served to a company of experienced mayo-stew enthusiasts, including an international traveller who had familiarised themselves with this speciality in its very country of invention.  (Source: J∙ Okram - Mayonnaise Stew  ●  Cooking Recipe.)