"ca'on"
A hyphenated slang version of the Spanish word, "cabron," meaning "bastard." Mostly used by Puerto Ricans in the south of the U.S., almost exclusively in Texas. This word can be accompanied by the phrase "dooo" as in "dooo ca'on" to emphasize a particularly unbelievable incident.
Me: Mario, your wifebeater has a bit of grease on it...
Mario M: Doooo ca'on!
Mario M: Doooo ca'on!