No Nibs Edit Meaning

1.

Claiming the right to sit at the chair you sitting at, because you have to get up for some thing, ie beer bitch

You can only exercise "no nibs" by stating "no nibs before you leave the chair. This is give you the right to claim your sit back if someone takes possession of it. If person refuses to leave your chair knowing "no nibs" was called, you can excercise the right to move forcefully.