Showing definitions for mayo

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Slang dictionary results for mayo

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• mayo
  mayo

  noun

  mayonnaise.
• Mayo
  Mayo

  noun

  Charles Horace, 1865–1939, and his brother William James, 1861–1939, U.S. surgeons.

mayo

¹ American  

[mey-oh] / ˈmeɪ oʊ /

noun

Informal.

1. mayonnaise.

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Mayo ² American  

[mey-oh] / ˈmeɪ oʊ /

noun

1. Charles Horace, 1865–1939, and his brother William James, 1861–1939, U.S. surgeons.

2. a county in NW Connaught province, in the NW Republic of Ireland. 2,084 sq. mi. (5,400 sq. km). Castlebar.

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Mayo ¹ British  

/ ˈmeɪəʊ /

noun

1. a county of NW Republic of Ireland, in NW Connacht province, on the Atlantic: has many offshore islands and several large lakes. County town: Castlebar. Pop: 117 446 (2002). Area: 5397 sq km (2084 sq miles)

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Mayo ² British  

/ ˈmeɪəʊ /

noun

1. a family of US medical practitioners. They pioneered group practice and established (1903) the Mayo Clinic in Rochester, Minnesota. Foremost among them were William Worrall Mayo (1819–1911), his sons William James Mayo (1861–1939) and Charles Horace Mayo (1865–1939), and Charles's son, Charles William Mayo (1898–1968)

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Usage

What else does mayo mean? Typically, mayo is short for mayonnaise, a classic condiment made of oil, vinegar, and egg yolks. When not, it can also be used as offensive language against white people or a slang term for drugs. Content warning: the following article deals with content related to illicit drugs and offensive and disparaging language.

Etymology

Origin of mayo

By shortening; cf. -o

Example Sentences

The deal will put condiment brands such as Hellmann’s mayo, Old Bay seasoning, Knorr, and Lawry’s under the same umbrella.

From The Wall Street Journal • Mar. 31, 2026

Chia seeds are a nutrient-dense replacement for eggs, meaning you can make plant-based cookies and even plant-based mayo.

From Salon • Mar. 31, 2026

Its menu includes flavor profiles such as Thai chicken, carne asada and a California Club — a pizza with ingredients you would normally find in a sandwich, including avocado, bacon, mayo and lettuce.

From Los Angeles Times • Dec. 17, 2025

Some say it’s all good, clean fun — notwithstanding the mayo mess — and a way to bring notice to the games themselves.

From MarketWatch • Dec. 12, 2025

A bit of mayo blobs on her upper lip.

From "Invisible Inkling" by Emily Jenkins