Originally an United States Naval phrase used by the enlisted personnel to alert other subordinate sailors that an officer is on deck. Could also be used to make others aware of the presence of an authority figure i.e cops, a principle, or even your mom.
Younger Brother: *Forgets to do the dishes*

Older Brother: *Hears mom’s car pull in the driveway* “Bro clean this mess up!!! SHARKS IN THE WATER!!!
by foxda5th September 9, 2022
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