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1.
cta
Chicago Transit Authority

public transportation in chicago
P1: the cta can take you anywhere in chicago
by dict12 January 01, 2008
 
2.
CTA
An abbreviation for the "Colon Three Army" A paramilitary group of bipolar teenagers, who occupy the Park Lane area of Sunderland. Nearly in all cases own a Tumblr account and claim to be bisexual and 90% of their solid food intake (Not including cum) is subway. Several lieutenants in the CTA can be found in your local subway or even Valentinos take out.
"Nigga 1 - Hey, I heard you got raped lastnight!"
"Nigga 2 - Yeah it was the fucking CTA Again!"

"Nigga 1 - Hey, Can i be in the CTA"
"Nigga 2 - Sure, You have to be raped by Callum Cutter since he's the head fag of CTA"
by Hodgy "Tyler okonma" Beats July 19, 2012
 
3.
CTA
Calf-Thigh-Ass. Used to define the leg structure of a human.

Term was first brought up by Jacksfilms in the "Olympics: Inappropriate Commentary" video.
Damn, that gymnast has one helluva well-toned CTA!
by Mac East October 21, 2009
 
4.
CTA
Call To Action. In Advertising it refers to the portion of the message that gets a reader to act on the advertisement
A Call to Action (CTA) would be: Buy now, Click here, etc.
by Smak13 April 05, 2011
 
5.
CTA
constant tongue action (blowjob)
Oh yeah! best cta ever!
by GMcW November 02, 2010
 
6.
CTA
CTA

Cock Taking Ass
This girl last night had a CTA
by saymos34 June 08, 2013