Snopinus has many definitions. It can be another word for damnit, one can yell this word out at any moment if they feel frustrated. It will most likely be in reference to your dad at some point.
"I LOVE snopinus"
alternate for the word penis, to be used in public as to not offend children, the elderly, or smelly pirate hookers.
origin: snow penis
your dads snopinus was sooo huge last night