paco

reddish (color)

Borrowed from Quechua p'aqu (“rojizo”).

llama

Borrowed from Quechua p'aqu (“rojizo”).

police officer

Unknown; possibly related to pacífico (“peaceful”), (pejoratively) referring to the police as a peacekeeping force.

During Spanish occupation in Africa, a Moroccan sniper

Of imitative origin (presumably of gunfire).

cocaine paste

Of unclear origin. Possibly a shortening of pasta de cocaína, or a corruption of basuco (“cocaine paste”).