A portmanteau of "crap" and "afterglow". Describes the feeling of satisfaction, relief, lightness and inner peace, that one only experiences after taking a massive crap.
Gallant: "Hey, you've been in there a pretty long time. Is everything OK?"
Goofus: "Yeah, I'm cool. Just basking in the crapterglow."
Goofus: "Yeah, I'm cool. Just basking in the crapterglow."
by Senor Fluffington December 3, 2009