The UPers referes to people who live in a section of michigan just north of Wisconsin. The Upper Peninsula, it is generaly regarded with much hate and lothing.
Them UPers dont have a damn clue how to drive
The insertion of a pen, primarily of the brand bic, into someone's rectum.
Person #1 moon
Person #2 "Bic his ass!"
Person #3 inserts a pen in person #1's ass.
Person #4 "Oh shit, he just got bic'd."