One of the best and most expensive cars in the year 3000. From the Futurama episode Put your Head on my Shoulder.
Sales Person: "Nothing makes you feel more like a man than a Thundercougarfalconbird. So how much were you thinking of spending on this Thundercougarfalconbird?"
Fry: "Sorry, I'm not here to buy."
Sales Person: "I understand and it's wonderful that you don't care whether anyone questions your sexual orientation."
Fry: "I care! I care plenty! I just dunno how to make them stop!"
Sales Person: "One word: Thundercougarfalconbird."
Any of the extremely similar cars under the names of Ford Thunderbird, Mercury Cougar, or Ford Falcon.
"What kind of car do you drive?"
"It's a '93 Thundercougarfalconbird!"