A C-Note is when you have a threesome and the two other peoples' ages total 100 years or more.
Last night I got a C-Note. I went out drinking at the bar and picked up two women, took them home and had a threesome. They were 80 years old and 20 years old. Now THAT'S freaky.
by Count Thumpula December 17, 2008
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Boy: What are we doing today in class?
Girl: We are taking C-Notes.

Boy: Thanks. :)
by LaosBabayy March 30, 2010
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Blue C-Note is just a term that relates to the new $100 bill. If you look at one, they are faintly blue.
“See the bitches blinkin’, blue c-notes,

All of ‘em singin', blue c-notes” -2chainz
by DJScottyfyre October 29, 2017
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is a another term for 100 dollars and it could be called a b too.
yo i just robbed that nigga and all he had was a cnote man and it shot his ass plain and simple
by dat nigga March 31, 2005
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One-hundred fifty dollars. C stands for "centum" the Latin word for 100. Half means 50 as in half of 100. The word "note" actually come from the $100 bill it's self. Which reads, "This note is leagal tender for all debts, public and private."
You owe me a c note and a half for that shit i loand you
by Gunziii December 2, 2008
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To not-so-casually drop the reference that one attended Cornell University.

Idiom: to "flash someone a c-note" or to "flash a c-note."
Cf. H-bomb.
Did I tell you how I met my wife when we were both at Cornell?

Hey, you didn't have to flash your c-note like that!
by Rick Colosimo September 2, 2008
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