A trash bag with no handle and or no hinged lid, used for carrying clothes and other personal possessions. A heavy duty contractor bag is considered the Louis Vuitton of southie suitcases.
Sully: Damn Mickey you cheap Irish prick I see you got that southie suitcase, are you that poor?
Mickey: Naw Sully the wife caught me cheating last night, didn’t have time to grab my duffel. Mind if crash on your couch?

Sully: Only if you got some beer in there!
by BostonJimmy July 21, 2021
Get the southie suitcase mug.