"You canker blossom!" 3 Shakespearean Insults
from the name of a Diegueño (Yuman) village, written Tiajuan in 1829; deformed by folk-etymology association with Spanish Tia Juana "Aunt Jane."
City in Baja California Norte state, in northwestern Mexico just south of the California border near San Diego.
Note: The city is popular among American tourists for its racetracks and bullfights.