This site is a really good one. It explains a lot about bipolar.

http://www.helpguide.org/mental/bipo..._treatment.htm

This site has the definitions of a lot of the psychobabble words.
http://www.abess.com/glossary.html#P
On the definition website, these pertain to Bipolar:
Dysphoric mood An unpleasant mood, such as sadness, anxiety, or irritability.
Euthymicmood in the "normal" range, which implies the absence of depressed or elevated mood.
ExpansivemoodLack of restraint in expressing one's feelings & thoughts, frequently with an overvaluation of one's significance or importance. Irritable easily annoyed and provoked
Elevated mood An exaggerated feeling of well-being, or euphoria or elation. A person with elevated mood may describe feeling "high," "ecstatic," "on top of the world," or "up in the clouds."
ApathyLack of feeling, emotion, interest, or concern.
Depressed Mood low energy, sluggish…

Circumstantiality Pattern of speech that is indirect and delayed in reaching its goal because of excessive or irrelevant detail or parenthetical remarks. The speaker does not lose the point, as is characteristic of loosening of associations, and clauses remain logically connected, but to the listener it seems that the end will never be reached.
Distractibility the shifting from one area or topic to another with minimal provocation, and/or attention being drawn too frequently or easily to unimportant or irrelevant external stimuli and expanding & embellishing in great detail.
Elaboration An unconscious process consisting of expansion and embellishment of detail, especially with reference to a symbol or representation in a dream.
Flight of ideasA nearly continuous flow of accelerated speech with abrupt changes from topic to topic that are usually based on understandable associations, distracting stimuli, or plays on words. When severe, speech may be disorganized and incoherent.
Pressured speech increased in amount, faster than usual, virtually nonstop and difficult or impossible to interrupt. seemingly driven Usually it is also loud and emphatic. The apparent digressions more abundant and noticeable.
Psychomotor agitation Excessive motor activity that accompanies and is associated with a feeling of inner tension. The activity is usually nonproductive and repetitious and consists of such behavior as pacing, fidgeting, wringing of the hands, pulling of clothes, and inability to sit still.

I hope this helps!