noun

• (Australia, informal) Exaggeration.
  "Rancey and our coach, Damien Hardwick, still both joke that "Dimma" tried to off-load him for a sixpack of beers and a bucket of chips in his first few years, but I think they both put some mayonnaise on the story these days."

verb

• (transitive) To cover or season with mayonnaise.
  "Jones himself presided in the kitchen, mincing truffles, mayonnaising lobster, booting waiters out the door with tray after tray of steaming savories and teeth-numbing sweets, […]"

noun

• (obsolete) In full Mayonnaise sauce or sauce Mayonnaise: alternative letter-case form of mayonnaise.
  "The reader who may have a prejudice against the unboiled eggs which enter into the composition of the Mayonnaise, will find that the most fastidious taste would not detect their being raw, if the sauce be well made; […] Abroad, boiled asparagus is very frequently served cold, and eaten with oil and vinegar, or a sauce Mayonnaise."