A fork of Rural Dictionary
Scotland/Northern Ireland, UK A moderately overweight individual
"Ian's been down the chippy one time too many this week - any mair of it and he'll become a total chubber."
British / Scottish An unpleasant or undesirable female, coming from the verb 'to hum' - to emit an unpleasant odour
"Lizzie Johnstone is a pure hummer, so she is"