Use it to express joy and approval in high-energy situations, often public events or celebrations. The whole town hall started to raise the roof when the mayor announced the new park.
Pro Tip 2/3
Not Literal
'Raise the roof' is not about physically lifting a roof but a metaphor for increasing the energy or noise level. The cheerleaders' routine was so good, the audience helped them raise the roof!
Pro Tip 3/3
Group Activity
The phrase suggests a collective effort where a group of people contribute to the loud atmosphere. The graduation ceremony was electric as students and families raised the roof together.