The act of engaging in male masturbation. The pringle can represents the subjects penis, while the shaking represents the motions made by the males hand to simulate a vagina and/or anus. During the shaking process, it is expected for the male to have some type of masturbation "material" such as a pornographic DVD or perhaps a pornographic magazine. The shaking process can last anywhere from a minute to over an hour, all depending on the situation.
Babe, I was shaking the pringle can all last night, but here's the sweet part, I didn't even use any masturbation material, I used thoughts brought from my spank bank.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.