The costs began to snowball after the project encountered unexpected delays.
Once the rumor started, it snowballed into a full-blown scandal within days.
Their small argument snowballed into a major fight by the end of the night.
Positive feedback on her first novel snowballed into a successful writing career.
The kids were excited to snowball in the freshly fallen snow.
As more people joined the cause, their efforts snowballed into a significant movement.
Her slight hesitation snowballed into a crippling anxiety about making decisions.
The initial investment snowballed into a substantial return within a year.
The popularity of the new product snowballed as celebrities began endorsing it.
What started as a simple blog post snowballed into a viral internet phenomenon.