Mad Jack Wolfe wrote:
"I will target your life support systems located behind the Taco Bell."
Yep, he definitely said "Taco Bell". Khan wanted to hit the Enterprise with a torpedo right in the chalupa.
Now that you mentioned it, I now am remembering this dialog in "Wrath of Khan":
KIRK: Damage report.
SPOCK: They knew exactly where to hit us. Right in the chalupa!