Top Definition
the best fucking geometry shortcut in existence. save like 5 fucking steps. it makes me feel so horny for triangles
yeh i just cpctc'd that shit

the hefro got cpctc'd up the ass
by mathmakesmereallyhorny November 20, 2009
2 more definitions
Acronym for geometric term: "Corresponding parts of congruent triangles are congruent."
This line is congruent due to CPCTC
by Falconrath May 30, 2004
The drug of choice for geometry students. It means that congruent parts of congruent triangles are congruent, but CPCTC also sounds like it could be drug. So, use drugs in geometry class!
"CPCTC is good stuff."
by hashtag007 January 28, 2012

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