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3.
Tatoo above the crack of a woman's ass. Tramp Stamp
Sam, "Do you think that Bitch is a virgin."

Bill, "No Sam I noticed her seal of approval."
by Intercool July 15, 2009
 
1.
When one does something then looks to another to "approve" an action whether it be good or bad.
4 year old John and his 6 year old sister are playing a game with each other, John decides to be naughty.

John: Your stupid!

*John looks at his parents to see if they were listening*

**this action is called Seal of approval it can be spotted easily among children looking for attention.
by Scardina October 14, 2010
 
2.
To nut on a girl's face then proceed to slap her with one dick on the same spot to create a imprint which is the seal of approval
kary, "last night i gave jenny my seal of approval"

adrian, "how"

kary, "I nutted on her face and slapped her in the face with my dick"

adrian, "Nice"
by Nimare June 09, 2010