1 _ in lunfardo is the person not very reliable, liar and cheat; apocope of chantapufi, comes from the Genoese ciantapuffi ("ground nail") because it is the "riveting" someone, or "nailed you the crisper cover". 2nd _ turning of Dr.
In Colombia is turning lead or lead it. I mean please, wear, dressing, use, use.
someone fraudulently; dishonest; clever