Used quite critically and as mild verbal ubuse towards someone who feels the cold easily, like's their comfort, and is a lazy good-for-nothing - the suggestion is, therefore, they must be a 'puffter' or even worse . .
Bill: 'Comin' down to the shop lad?'
Alan: 'Nah, don't think I'll bother'
Bill: 'What's up with you, yer nesh b**tard!'
"Oh don't be so nesh! Put a jumper on if you're cold".
Originated in Cincinnati, Ohio, then spread to Miami University of Ohio.
Copyright, Connor Tubbs Martin.
Rachel: ... Nesh. *continues to not study*
Kelli: Mike! Move over, you're pushing me off the bed.
Mike: ... Nesh. *continues to sleep*