A descrption of someone's ass that is saggy and not firm. It also has a downward hang to it, like a bag of soup.
by Eman3737 November 29, 2004
Get the soup assmug. by X_x-JJ-x_X September 24, 2021
Get the my ass is soupmug. by Medrank October 3, 2020
Get the Hot ass soupmug.