Paroxysm of orgasm:

Defined: a sudden attack or vioelnt expression of a particular emotion or activity. (beyond sharpened)(Orgasm) swell to ecstasy.
Coctail Party Banter: I was in a paroxysm of orgasm when I finally was able to write down my thoughts that had been gathering like clouds before the rain.
 Literary Context:
Anais Nin used this phrase in her book House of Incest  refering to her writing and getting the words onto paper. "A voice that had traversed the centuries so heavy it broke, what it touched so heavy I feared it would ring in me and with external resonance, a voice rusty with the sound of curses and the hoarse cries that issue from the delta in the last paroxysm of orgasm."
Audio Visual: