According to adults (generally parents of young children): small, hairy monkey that lives in the back of one's throat; also known as "throat troll". Commonly transmitted by young children expressing affection (i.e. kissing a.k.a. swappin' spit, tonsil hockey, etc.) to the opposite sex (or "crush").
Girl: "Ew, Susie got cooties from Timmy!"
Friend's response: "Again?!"
by b_bold November 17, 2009

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Highly Contagious, Viral batecteria that breed inside young males and are released into the air via sweat glands when in the proximity of other young girls.
OMG! he has the cooties! EW
by ladeela April 02, 2009

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To be sexually aroused. In males this usually means getting a boner, and in females wetting of the vaginal area. Can also mean being horny, though this is a less severe condition of cooties.
John: ahhh man that babe just game me cooties!

Jill: oh john stop it you're giving me cooties!
by RandomBlabberer April 22, 2010

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Slang for pubic lice at the turn of the century.
I thought cooties were just imaginary, but they are actually pubic lice. And my balls really itch.
by Krazy Kharrazi July 30, 2008

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A deadly germ caused by under-aged kids. Commonly known as(Coo-ties). A North American Germ, tranferred from one kid to another.By kids calling them-self liking each other. This germ can became very deadly, if not treated by the parent/s.
My little girl was six years old, when she came home one-day and had gotten the (COO-TIES)from a little boy, she like at school. My little girl said she only played with the little boy at recess and in the classroom. She always would say he was cute and now she has the Cooties!
by Mrs 2 Click April 04, 2008

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All boys have cooties! The gross contagous germs of a person you get when you become more than friends!!
My beautiful men--kyle, connor, tim, matt, ty, tim, robert and all my homies have cooties!!
by Little miss outgoing! November 12, 2007

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A funny one... Actually
If you are unwanted by someone who you wish to know or make friendship with (girls mostly), they say you got cooties.

In the film Problem Child, at a girls party the central character Junior
is humiliated by friends of the girl when he gets curious to know what presents the girl got. On among the girl's friends says "He's got Cooties".
by Revhead July 31, 2003

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