When you're slacking off in an office setting that requires a computer and have a window up for display purposes to simulate work. Often requires Alt+tab to display your Slackground when browsing non-work related content.
For example: Spread Sheets, Important looking emails, Memos, ect.
Oh crap Boss Roger just walked by! Good thing I had my Slackground displayed so he did not see the NSFW pictures I was looking at.
A sexual position in which the male( or girl we don't kink shame) quickly changes from vagina to anus, so quickly that they don't realize it at first. Note: Can only be performed on girls
Bro, you have to try the Stumper Sneakaround on your girl, she would seem to be in to that.
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.
"Base we've got some square groupers floating outside of Miami harbor."