No, no. This is not when husky, sweaty laboring men in overalls and tight-fitting t-shirts get together and hummmm Dixie beneath the stacks of fescue.
This is the term for blowing your nose when it is full of oysters. Oysters are the types of boogers which have no solid form whatsoever. They are pure boogery protoplasm at its best. And you cannot remove them with your finger. You must press one nostril solidly closed, lean over, and blow as much air through the remaining nostril as is possible.
For more details, see Picking your nose.