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1.
A person who speaks with an exaggerated drawl, particularly when ordering breakfast food at a restaurant.
Waiter: What can I get you today, miss?
Girl: I'll have the frainch toewwwwwst.
Friend: My God, can you be any more of a Gullett?
by Associate in Charge August 19, 2011
 
2.
fucking someone doggy style.
Hey slut you wanna gullett?
by Desiree Ann September 11, 2006