Define Nosegrind Meaning

Nosegrind
To hold the bridge of ones nose between the thumb and index finger, with the other three fingers spread, whilst bending to 'grind' against somebody or the air on a nightclub dancefloor, in disgust. A side-to-side rocking motion may be adopted simultaneously with the 'grind'.

You may adopt the nosegrind if an 'undesirable' attempts to dance with you. Always done best with a fellow nose-grinder.
By Sib