ratchet up vs skyrocket

ratchet up

• to increase 

skyrocket

• To cause to increase suddenly and extremely. 

• To rise or increase suddenly and extremely; to shoot up; to surge or spike. 

• The shortage caused prices to skyrocket. 

• A rebuke, a scolding. 

• pocket. 

• A type of firework that uses a solid rocket engine to rise quickly into the sky where it emits a variety of effects such as stars, bangs, crackles, etc.