anyone who pikes out, does anything stupid, makes a fool of themselves in front of a large audience, personally disgraces another, makes excuses for being lamo etc.
A person, generally a woman, who dislikes or fears defecating in places other than his or her own home. This can be an issue of hygiene or an irrational fear.
In some cases this is brought on by a women's fear of others' knowledge that she does, in fact, go #2.
Person 1: Oh, I gotta go...
Person 2: Go ahead and use the toilet here, it's clean enough.
Person 1: No, I can't. I'm a nervous pooer. I have to use my own toilet