Someone who has a snub nose has a short nose which points slightly upwards. to treat someone rudely, especially by ignoring them when you meet (snubba ). an act of snubbing someone
If you snub someone, you deliberately insult them by ignoring them or by behaving or speaking rudely towards them. He snubbed her in public and made her feel an idiot
[ 'sn&b ] (transitive verb.) 13th century. Middle English snubben, of Scandinavian origin; akin to Old Norse snubba to scold; akin to Icelandic sneypa to scold.