"Totos locos so mos" is not a recognized phrase in Spanish or English. It seems to be a made-up or incorrect expression. If you can provide more context, I might be able to help you better understand its meaning.
Somos means 'we are'. It comes from the Spanish verb ser, which means 'to be'. If you were to say "Somos familia", it would mean, "We are family".
we are the same
"Somos estudiantes" translates to "we are students" in English.
We are free
we are friends
We are the police.
We are from Arkansas.
United.
en los estados unidos = in the United States
Todos duermen means: Everyone is sleeping.
"Nosotros somos inteligentes" means "We are intelligent" in English.