1) A person that lacks experience or is ignorant of any real world knowledge.

2) An insult, typically used to imply that a person is young and stupid, and arrogant.

3) A child, young person, teenager.
1) Employee: "I am so fresh out of school, that I practically don't know very much."

Boss: "So your just a regular snot nosed kid."

OR

2) "You don't even know what you are talking about! Your probably nothing but some rambling snot nosed kid and need to seriously grow up!"

OR

3) "I can't imagine having any children. I mean who wants to deal with a pair of snot nosed little brats running around the house after a long day at work!"
by Doctor Em April 29, 2005
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one who is a young arrogant snot nose and is better off going home to momma rather than annoy everyone with their arrogance and snotty attitude
my cousin is a snot nosed kid who needs to go home to momma rather annoying everyone with her arrogance and snotty attitude
by littlejimmie August 04, 2019
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