Funny about them: I can hear the words either as "Mexican lucky" or "to get lucky" (the correct lyrics) depending on what I want to hear. Usually, once you know the right words, you can't hear anything else.
I've always liked the incorrect lyrics "we're robot Mexican monkeys". Not sure who first came up with that. I remember reading it on reddit back when the short preview clip of Get Lucky was released to great excitement.
I wonder how many people knew the correct lyrics before this commercial, I certainly did not