A white alternative to Seppuku wherein one achieves an honorable death by going on a bender until they overdose on cocaine.
Ex 1:
"Yo Chad dishonored his family by crashing the F-150 extended cab. Word is he's gonna do a Miami Samurai rather than become a Bonin' Ronin."
Ex 2:
Friend 1: "Hey man! Carlos is doing a Miami Samurai this weekend, wanna tag along?"
Friend 2: "Sounds cool but wouldn't the momentary elation and euphoria be undermined by the morose undertones that the weekend will culminate in his death?"
Friend 1: "Yeah but he says the Coke's on him!"
Friend 2: "Oh, word"