The act of wrapping the meaty foreskin of an uncircumcised penis over the nose and nostrils of an unsuspecting partner. Typically done prior to engaging in oral sex.
Dan decided to have a little fun with his girlfriend Rita. Expecting to engulf his rigid knob for oral, Dan surprised her and Shnozzled her first.
Poor variation on the popular replacement of "'Sup my nigga" by "Shizzle my nizzle." Humor value is achieved through the word nozzle, which could easily sound like "suck my dick" if interpreted improperly.