A 12 Pack of Beer.
Canadian Origin - Specifically the Toronto borough of Scarborough.
1970's and 1980's bottled beer came in 12 packs with cardboard handles that stuck out the top - making the package look a lot like a suitcase or toolbox.
Similar phrases - Souix Suitcase - Hammer Suitcase - Big Nickle Suitcase etc.
A term mainly used by hosers.
1) a plastic bag, paper bag, bowling ball bag, any bag or carrying device , etc. other than a suitcase used to carry something that you don't want someone else to see
2) a plastic bag with something in it
1) After Louie wacked out 'Vinny the rat', he couldn't just carry his body out to the car. He had to make a couple of nice Italian suitcases out of him.
2) After last night I couldn't let Lisa do the walk of shame across campus so I gave that bitch an Italian suitcase for her f-ing stuff.
Having sex with a condom and the condom slips off inside the person. This is known as a Baltimore Suitcase because the person with the condom in them has to unpack the soiled latex.
The term is derived from the once famous Lady Baltimore luggage line.
I was frightened when I was almost finished with her because I left a Baltimore Suitcase exposing me to a potential STD.