for anyone who has seen 2000s 'Gladiator' this term should make immediate sense:

"Proximo: Those giraffes you sold me, they won't mate. They just walk around, eating, and not mating. You sold me... queer giraffes. I want my money back."

So nowadays, its being used as an expression of anger against someone who possible wants to cheat on you in one way or another or did so already.
Hey Mister, this car is really cheap, go buy it!
You wanna sell queer giraffes to me or what, that car is as broken as it is cheap!

Sorry darling, not tonight I've got a headache.
Youre not selling me those queer giraffes again, you had a headache for two years now!
by Saverio January 07, 2005
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When someone tells you a lie and you refuse to believe what is being said or want to call them out in an awesome way.
Guy 1 : yeah we are leaving right now!
Guy 2 : I think your selling Queer Giraffes man.
by Gorilla123 September 27, 2009
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