When a woman (or man) gives oral to another man using their teeth.
or when a man (or woman) gives oral to another woman with their teeth, chomping on the lips...
Pulling, grinding or chomping like a shark (thus the "S" is used.
"My girl is such a freak, when i go down on her, she makes me use my teeth, to give her an s- job..."
by twiggy eksfaur October 17, 2008