roll out

verb
RareNot in standard dictionaries
1

To deploy or release (a new film or software, etc.); to launch (a product or service), especially in a gradual fashion across multiple regions.

2

To leave a place at a leisurely pace.

3

Used other than figuratively or idiomatically: see roll, out.

4

To use up too much energy when first bowled and to therefore not finish strongly.

#informal