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1.
A feared and dreadful disease, also known as onewenis.
Very often, a seemingly mild case of onegina can develop into a more chronic, and sometimes even lifetime condition. The only cure for that strain of onegina is death - yours or hers. Do you want to live with a debilitating illness??? God no!
Better to be single and go around fucking all the randoms you secretly wish you were fucking, and not allow this sneaky opportunistic illness take hold and ruin your life.
Unfortunately there is no way to vaccinate for onegina at the moment, although many of the world's greatest thinkers and visionaries are working on the problem as we speak - their greatest efforts so far concentrated on fizzy sweet alcohol drinks like Bacardi Breezers, otherwise known as "Leg-Openers", and guaranteed to put an illicit sexual event with a questionable whore on your calendar.
All I can say in warning, is be ever vigilant to the symptoms of onegina, which are enumerated as follows:
1. An amazingly huge amount of softcock thoughts and deeds
2. A constant look of contempt on your friends' faces when they talk to you
3. An appreciation for gay shit like "going out for dinner" or "taking in a movie" or at its worst, "a quiet one at home with the missus"
4. A general unwillingness to be awesome
By the time you get to the crucial endstages of onegina and manifest symptoms like "Going shopping with the missus for shoes" its probably too late - and the only way out is as quick and painless a suicide as possible.
Will Tom be coming out to get smashed tonight? no he won't. He's got onegina the poor cunt, and his days are numbered and his freedom ended.
by becy May 03, 2005
 
2.
A disease men get when they get married. Symptoms include depression and dispair. Easily cured with some money and a hotel room.
I dont wanna get stuck with onegina the rest of my life.
by Iliketofu October 18, 2004
 
3.
A serious affliction upon a guy months after a girl decides they are in a relationship (it is customary for the girl to make the decision, and the guy simply follows suit, see relationship ).

Symptoms begin with a comforting feeling of affection followed by conversations in babytalk-voice.

Weeks later, his presence will cause dissatisfaction, and he attempts to ameliorate the situation by doing what he's told.

The final stage: the pussy-whipping gets so bad (see pussy whipped ) that he can no longer recognize his own sorry-bitch-status-of-a-man. He endures, though, because he thinks there's only one vagina in the world, and its hers.

He is now seriously afflicted with onegina.
"Nah man, he can't hang with us in the City tonight, because his onegina has spread to his empty ball sack and the Doc says it's only going to get worse."
by aender July 11, 2009