The act of seasoning one's penis with exotic herbs and spices in preparation for a blowjob. This technique is believed to make the penis more appetizing to the giver of the blowjob as well as more nutritional. Common ingrediants include, but are not limited to: salt, pepper, nutmeg, and garlic, from which the act derives its name.
Allison: Hey Jess, what's that I smell on your breath?
Jess: Oh, I must have forgotten to brush my teeth!
Allison: Did you go out to eat at an Italian restaurant with Jim?
Jess: No, but after a night at the movies I had some Scottish Garlic Bread.