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1.
Someone who drinks tequila straight from the bottle or someone who hogs the tequilla
My mom stopped being a tequilla shark after going to AA meetings;

"Katy left a full bottle of margarita mix but no tequila, I guess we are going to have to use triple sec now."
"Ok, thats it, tequila sharks are no longer invited to my parties!!"
by KatilinaFeva September 25, 2011