One who sucks snot through the nostrils of others. Or just an offencive way to offend someone....

A term used to reference cannabis/marijuana/weed.

An offensive slur used against Eskimos and indigenous people living in northern climates. Snot Sucker refers to the practice of an Inuit mother orally sucking the mucus out of their infant child's nose. The purpose of snot sucking is to prevent nose discharge from dripping onto the child's face and freezing due to the sub-zero temperatures.