1. "Smashed Bag of Assholes" is phrase used in a figurative manner to describe something that is disgusting as fuck, such as crumpled up paper bag full of prolapsed anuses.
2. This phrase is sometimes used to describe a location containing ignorant people.
1:
Girl: Like my new dress? I thought of you when I bought it!
Guy: You look like a smashed bag of assholes. Now get your bitch ass out of my face.
2:
Dude: That bar was a smashed bag of assholes.
Some other dude: It certainly was. Onto the next one!
Indication that a gentleman has given a vigorous and enthusiastic pounding to a consenting female. This practice often results in ruptions of internal organs and rendering the subject crippled for several days, almost like your gran. To smash the granny you do not need to be fussy. The granny can be smashed out of all of the mainstream orifices including the less popular but equally effective belly button smashing, reserved for ladies of a larger volume.
Tigger found walking and day to day activities challenging and painful after Christopher Robin smashed the granny out of his ring piece (Extract from 'Whinnie the Pooh, can honey be used as lube? - 1954')