someone who displays intelligence in an annoying way
Amy: Oh no. Here comes Mark, Mr. Smarty pants.
Becky: I’ll bet he’s going to tell us about how to fix my car.
Amy: I’m sure you’re right. He’s always shooting his mouth off about all the things he can do.
by shracaneits January 15, 2009
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1. an insult for a very clever person,

2. someone that droped spartys down their pants! ha idiot.
1. (clever person gets an answer right)
'your such a sparty pants'

2. 'Oh no i droped my smartys down my pants and now they are all in my pants and are crumbling and melting and im dripping with chocolate and everyone is looking at me but it feels quite nice!'

"look hes a smarty pants'
by i-no-u-luv-me January 26, 2006
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Any pants you are wearing at the time you make a smarty pants comment.
Ooh, that was a good one - Patrick must have his smarty pants on today.
by fushigi88 July 29, 2009
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1. (n) a smart aleck
2. (n) a person who knows that the word "lul-a-bye" comes from the Saxon words “lul,” meaning "to sing," and “bye,” meaning "to sleep," and then brags about it in the weekly email newsletter.
Example: Kristy is such a smarty-pants.
by Footnotes editor March 06, 2006
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Smarty Pants is someone that is getting a Ph.D. in Economics after subtly stating that she has already gotten an Political Science degree and is currently further completing studies in Statistics and Economics.
by Texan In Madrid April 25, 2011
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Someone who displays intelligents in an annoying way
Jimmy you are penultimate (loser).smartie pants
by Smartie pants November 16, 2013
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Anyone who uses their smart phone to try to impress people. Usually described by someone who does not own a smart phone.
Guy: "Check out what my new iPhone can do! Don't you wish you had one?"

Girl: "Oh, you think you're such a big shot with your Smarty-Pants Phone."
by The Mountain Cat July 29, 2012
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