Top definition
A convenient little gap in a girl's teeth for very small cocks to fit in. Usually most helpful when in the front of the mouth.

Originated in Atlanta, GA from homeless people found on the side of the road.
He was a bit small in the pants, so he just stuck it in her Atlanta Coinslot rather than having her deepthroat him. She didn't mind.
by racheyyy. =] May 20, 2008
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2
A huge gap in a girl's teeth that gets in the way when sucking dick. It makes the sucking sloppier and less enjoyable.
Rachel was sucking his dick, but he didn't enjoy it as much as the last time because of her atlanta coinslot.

After Rachel's dead teeth fell out, she had a huge atlanta coinslot and Gabe stopped letting her suck his dick.
by Hayley D. (: May 19, 2008
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