Stupid, overused, annoyingly loud, unhealthy-sounding mufflers. Generally used on Japanese import cars, but sometimes on American compacts.
I just got a new nip tip for my Camry, doesn't it sound fast now?
When a male places the eye on the tip of his penis around a female's nipple. Thus, making the nipple disappear caused by the surrounding penis tip.
Yo dude I totally gave my bitch a Nip Tip last night. She moaned so loud.