A rum-laced banana milkshake dirtied by coffee liqueur. The riper the banana used in this cocktail, the better. (Brown spots on the banana skin = tasty...
Absolutely love this one. I've had this enough to have tried a lot of variants. My favorite is subbing in 1.5 oz of Smith & Cross instead of the gold rum, and a drier coffee liqueur (Mr. Black or Tempus Fugit).