The instant feeling of euphoria one experiences during and immediately after a bowel movement.
Intensity of the Crapgasim and vary from person to person and is sometimes, but not always, in direct relation to the volume and density of the load.
Sighs, moans, and giggles are common side effects the Crapgasim.
"Did you hear Andy in there?" "Guymust be having one hell of a Crapgasim"
An explosive incident of crap. The combination of the word crap and orgasm. A craptasm is an event usually 'craptastic' or 'craptacular' but the word implies a degree of unnecessary severity
After the cops showed up, well, it was a real craptasm.