signal rocket ( synonym found)

Definition of signal rocket:

(n) : a type of firework that uses a solid rocket motor to rise quickly into the sky where it emits a variety of effects such as stars, bangs, crackles, etc
(v) : to increase suddenly and extremely; to shoot up; to surge or spike
"the shortage caused prices to skyrocket."

Definition of signal rocket:

(n) : a type of firework that uses a solid rocket motor to rise quickly into the sky where it emits a variety of effects such as stars, bangs, crackles, etc
(v) : to increase suddenly and extremely; to shoot up; to surge or spike
"the shortage caused prices to skyrocket."

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