1. balls of snow pressed or rolled together
Usage: plural of snowball

1. throws snowballs at someone or something
Usage: third person singular present
2. increases rapidly in size, intensity, or importance
Usage: third person singular present

Examples

• The children made snowballs and threw them at each other.
• She snowballs her little brother every winter.
• The controversy snowballs with each new revelation.
• Their debt snowballs when they miss payments.
• The movement snowballs as more people join the cause.
• He always snowballs his friends during recess.
• The problem snowballs if left unaddressed.