A man, named John (or Jon), who is acting
like a woman: complaining, nagging,
whining,
bitching, unhappy, etc.
John is really complaining and nagging a lot lately. He's acting
like a real vajohnia.
Hey buddy, don't be such a vajohnia. You've been complaining all day.
You
know, you really are a vajohnia.
Stop whining.