Vernacular contraction for "compare" meaning mate, from Pescara and Neaple's dialect. Used when having funny conversations, jokes, or when you get pissed .
Otherwise, not that much used in common speaking.
"Compà l' altra sera si so' sfasciati di
brutto!"
"Aye mate
yesterday nite they to'lly got baked !"
"N'gulo compa', stai a vede?"
"Hell, you seeing,
mah nigga ?