Snib is another meaning for nose or reference to someones nose. the nasal passage or breathing apparatus. or could be used for insinuating that someone has a large nose.
pronounced, sh-n-ib
A person who consistently performs the task of snibbing (locking) a door or window and then proceeds to check that all doors and windows are snibbed.
Person 1: What's PoppyDon doing?
Person 2: He is checking if all the doors are snibbed.
Person 1: Again?
Person 2: Yes, that is why they call him PoppyDon the Snibber.