Gang together
Definition 1 of 1
Pro Tip 1/3Common Purpose
Used when individuals join to focus on a shared goal. Often implies collaboration and solidarity. 
The villagers ganged together to rebuild the school.
Pro Tip 2/3Informal Setting
Commonly used in casual or informal situations, despite its formal tone. 
The class ganged together to plan a surprise for our teacher.
Pro Tip 3/3Unity in Action
Emphasizes unity in taking action, not just in thinking or feeling. 
Workers ganged together to demand fair wages.