Good friend.
"Tu amigo" translates to "your friend" in English.
Bom amigo -Um amigo "legal"(slang)
"Hola amigo" translates to "Hello friend" in English.
Bom bom in french is sweet. As for spanish there is no word apart from bomba which means bomb, bomb shell.
My friend
"Mi amigo se llama" translates to "My friend's name is" in English.
"Esto es mi amigo" translates to "This is my friend" in English.
El libro de mi amigo is "my friend's book" in English.
tienes un amigo = you have a friend ¿Tienes tú amigo?= Do you have a friend?
"Mi amigo" in Spanish means "my friend" in English.
"Mi buen amigo" means "my good friend" in English.
Meu bom e abençoado amigo