When the tip of a man's penis extends from the foreskin, hanging down and under, creating a teeth-like look.
Oh, Damn, Estelle! Look at Timmy's foreskin teeth!
The piece of skin on an uncut penis that hangs over the man’s shaft so that it looks like teeth.
omg! timothy you have a lot of skin on that penis, looks like its going to chow down dude!! looking like some serious foreskin teeth!!