a sickness usually spread by kissing, but NOT always, and it is when you have an overlarged liver. you shouldnt do physical activity, and its contagious.
i cant have sex, i have mono.
by kelly margaret April 11, 2006

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Top Definition
Mononucleosis is technically called infectious mononucleosis or glandular fever, but is generally referred to as "mono" for short. It occurs primarily between the ages of 10 and 35 years old. When younger children are infected, it causes little or no illness. Such exposure does, however, create an immunity to the disease. Nearly 90% of Americans have antibodies for mononucleosis by age 40. Mono has an incubation period of 30 to 40 days and the symptoms usually last 7 to 14 days but can last for several weeks. The virus can stay alive within the body for several months. The name mononucleosis comes from the fact that the disease distorts the white blood cells, causing them to only have one nucleus. Only a blood test called the mononucleosis spot test can determine if someone has the disease.


SYMPTOMS OF MONONUCLEOSIS



The following symptoms can be present with mono, but most likely not all will be. Sore throat, usually red Enlarged lymph nodes in all parts of the body Fever Nausea Loss of appetite Extreme fatigue Enlarged spleen (2/3 of mono patients) Ulceration of the pharynx (sometimes) Swelling of the upper eyelid Trouble breathing Rapid heart beat Red rash on the body (about 15% of mono patients) Oversensitivity to light
mono is usally causerd by kissing.

TO cure this virus, rest.
by ash_link October 22, 2003

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known as "the kissing disease" spread through saliva contact. A good way of tracing the chain of sexual activity in your school or workplace
After that huge orgy (aka Prom), no one came to school because they had all mono

i dumped Ted because he had mono..and i sure as hell didnt have it
by CouRtney June 04, 2004

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An STD for people who have only got to first base.
Mono is more embarrassing than herpes.
by Schovie August 06, 2007

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Monaural sound, in opposition to stereo sound, is when sound comes from only one source. AM radio, MIDI tracks and most Web pages use mono sound.
Duh, mono sucks. I'd rather get stereo.
by snyp November 02, 2008

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Monos is an up-and-comer in the norwegian rap-scene.

At the same time he\it is a typical "sidekick", like Robin from batman. Always work in pairs with the vastly superior and popular rapper Caesar Mihawk from the label Psykehuset.
"Damn, it was so crowded at that concert, almost to hot for me. - Well, it probably was Monos & Mihawk's fire."

"Have you noticed? Monos is like Mihawks Robin from Batman, it's so awesome!"
by Steve McFactsright May 25, 2012

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Morris knows (Mo Knows). invented by a former wide receiver of sacramento state football team.
How do you know he said that? Because Monoes!!!
by monoes13 May 17, 2014

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Salvadorean term for young boy. could also be used "mona" for girl
Ese mono esta jodiendo.
by YOYOGIZZLE June 11, 2010

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