Dada da-da-da daaa da! Tequila! By Marty Schwimmer on March 14, 2012 Posted in Uncategorized No one on the Internets agrees on the phonetic rendering of the Tequila song. Any way, owner of the 1800 tequila (named after the year aged tequila sales began, we are told), sues competitor for infringement of trapezoidal bottle trade dress. 1800 Tequila Trade Dress