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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 NoseGrindGalore March 09, 2011
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