The case in which pent up ideas, emotions, revelations, and epiphanies are brought to fruition in the form of a quickly written document that is soon forgotten. While the experience may be unpleasant as it's happening, once over it leaves one with a sense of relief and often clarity.

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life

a sticky, usually white or yellowish white, substance forcefully ejected from the male of a mammalian species during a state of arousal in combination with stimulation of the genital region. It transports the DNA information of the host, in an attempt to mix with the DNA information of a hostess, ultimately creating a new soul.
Many things can go wrong along the way however, often resulting in empty kleenex boxes, sticky faces, wet spots on the sheets, or even anal creampie.