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Smiles are free, but sexual favours might cost you your McNuggets.

That is, if there were any takers when a women at a Los Angeles McDonald's allegedly offered customers sexual favours in exchange for theirs.

Khadijah Baseer allegedly tried opening customers' doors as they went through the drive-thru around 11 p.m. last Wednesday, asking to be paid in the breaded chicken bits if she performed sex acts, according to the Burbank Leader.

The paper didn't specify which acts were allegedly on offer, nor how many McNuggets the woman expected in return.

Various reports say she is known as a panhandler in the area.

Baseer, 31, was arrested on "suspicion of prostitution."