1. A common oriental soup
2. When one fucks their partner so hard in the anus that a strange liquid resembling miso soup in taste and smell spurts forth from the rectum.
1. I sampled a fine recipe for miso soup today. It was delicious.
2. I miso souped dat bitch 'til she done gone 'sploded out da ass!
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi