jumping the gun

Recent reports that six months had been agreed were dismissed as "jumping the gun" by a source close to the talks.

Jumping the gun in foreign relations before taking office is a felony.

Am I jumping the gun a bit by celebrating sun songs in mid-March rather than during the dog days of summer?

In the case of those jumping the gun with a celebratory press release, royal commentator Prof Pauline Maclaran detects a cultural change in the readiness to show off, rather than for recipients to affect surprise and say the honour is really for the team.

The EU earlier slapped a $475 million fine on Illumina for jumping the gun on the acquisition without its consent.