snowball
noun
[ ˈsnəʊbɔːl ]
• a ball of packed snow, especially one made for throwing at other people for fun.
• "they pelted him with snowballs"
• a cocktail containing advocaat and lemonade.
• a dessert resembling a ball of snow, especially one containing or covered in ice cream.
snowball
verb
• throw snowballs at.
• "I made sure the other kids stopped snowballing Celia"
• increase rapidly in size, intensity, or importance.
• "the campaign was snowballing"