1) A Chalupa that has been rolled up into a ball allow for easy consumption.
2) A word referring to the courage required to eat at Taco Bell
1) Dave: ".... Why?"
Bob: "Don't criticize my taco ball, I only have 2 minutes left for lunch.
2) Dave: "... are you eating five double cheesey beef burritos?"
Bob: "Hell yeah!"
Dave: "Damn dude. You have some serious taco balls."
Taco balls is best described as a male version of the camel toe. It usually occurs on men who love 80's rock, have long hair, and wear tight jeans.
Dude, someone should have told you this 30 yeas ago, but you need to turn down the 80s; you got a serious case of taco balls going on.