What is Texas Hamburger?
1.
Eating out someone's asshole. (Because you have brown in between two buns)
I totally gave that chick a texas hamburger last night!
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2.
Eating lunch meat out of your neighbor's asshole.
"Hey, I'm cooking dinner. Would you like a Texas Hamburger?"
"Isn't that where you eat lunch meat out of your neighbor's asshole?"
"Uh, I don't think so."
"Then make mine a double!"
See