It is a very mangled modern American version of the Latin phrase semper fidelis, which means "always faithful".
Deliberately corrupting an historic language in this way is deeply disrespectful, shameful and deplorable.
You will find many different and wrong answers from many sites. But any real marine knows it means 'kill'.
My Lord
It is Italian for "for ever and ever"
firearms import export
Used to express distaste or disapproval.
It means "always moving" since sempre means "forever" or always" and piu mosso means "moving" or "with more movement."
divided but always united
it means "today but not always" in Italian
It means, "Everything rich, as always."
"io sono qui sempre" or "io sono sempre qui" or "sempre qui/ qui sempre"
it means there is a spelling mustake
Sempre per sempre in Italian means "always (and) forever" in English.