The Yiddish term for friend is "פֿרייַנד" (friend).
Mensch
"Alter mensch."
Bling is not a Yiddish word or a Hebrew word.
The closest I could find were "Haimish," homelike, friendly, folksy; or "mensch:" a decent or upright man.
It is the Yiddish word for a woman who is not Jewish. It is slang in English, but it is not slang in Yiddish.
The Yiddish word "yochna" means "to understand" or "to comprehend."
Spinoza is not a Yiddish word. It appears to be a Spanish name.
The Yiddish word "son" means "soon" in English.
Do you mean Mensch? That's a person.
The Yiddish word "hundel" means a small dog or a puppy.
The Yiddish word for congratulations is Mazeltov.(pronounced MUZZLE-TOF)