a) Verb - To move / change location, often in a sneaky yet spasticated manner.
b) Noun - A person who can be deemed to be annoying yet provide comic relief to friends and family alike.
Will we take a wee nyert down the pub after we finish these ales?
He was lying on the ground, nyerting away like a dying fish.
You're an annoying little nyert!
Spidey wee nyert!