What does it mean when you fly the flag upside down?

Veteran flies American flag upside down to signal distress for Florida waters

Upside-down American flags flown outside Monrovia Public Library

The Upside Down Flag On My Channel...An Explanation

Former neighbor disputes Alito's explanation of upside-down U.S. flag flying at his home

Man Flies American Flag Upside Down

Upside down American flags in a West Palm Beach neighborhood

Upside down American Flag leaves neighbors upset in Naples

Family flies American Flag upside down

Americans display U.S. flag upside down in protest of Roe v. Wade decision

Upside-down American flag reappears as a right-wing protest symbol after Trump's guilty verdict

Neighbors still reacting to upside down US flag in re-election protest

ACTIVIST HANGS AMERICAN FLAG UPSIDE-DOWN

Cape Homeowner Flying Flag Upside Down

American flag stolen from veteran who flew it upside down in protest

Photo of upside-down American flag at Justice Alito's home sparks controversy

Post Office flag flying upside down

flag turned upside down

Mixed reviews on upside down flag

What Does an Upside Down Flag at SCOTUS Justice Samuel Alito’s House Mean?