A phrase used to describe the anus, and it's tightness.

A sexual innuendo implying that the anus is easy to hold closed but difficult to wiggle into.
That girls backdoor alligator jaw was slammed shut on my willy so hard, Steve Erwin couldn't have pryed it open.

I can't wait to get into her backdoor alligator jaw later tonight.
by It's me....... Alex June 28, 2017
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