The condition one finds oneself in after spending an appreciable amount of time in nithering conditions. The kind of cold where you can't feel your fingers, toes or nose any more, and don't look forward to them coming back, cos it'll hurt.
by otter January 28, 2004
Get the nitheredmug. Freezing, cold enough to freeze the balls off a brass monkey. Seems to be a Yorkshire term, not surprising, lots of words for cold up there.
by Rattie January 26, 2004
Get the nitheringmug. by Boyd6890 January 15, 2009
Get the nithermug. by Wittank January 12, 2021
Get the fucking nitheredmug. I called my nither the other day
by julpiter August 2, 2021
Get the Nithermug. 
