The act of picking your nose very fast before a known person walks around the corner. Often done in the workplace
Saul: (chair get up noise)
Josh: (quick pick)
Saul: Dude were you picking your nose?
Josh: Busted. I thought I had more time for a quick pick!
Longer version of QP, or Quick Pick (quick pickup); directed at someone who has no scruples, self respect, or common sense, and just wants to get laid.
Yeeeoooops, Davey on the Quick Pick!