1. noun An instance or act of removing nasal mucus (i.e., "boogers") with one's finger. After walking on that dusty trail all day, I felt like I needed a good nose-pick!
2. verb To remove nasal mucus (i.e., "boogers") with one's finger. Mark! Don't nose-pick like that in class! Now please go wash your hands.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.