CTSFO 

The Uk’s Counter Terrorism Specialist Firearm Officers

Similar to U.S S.W.A.T but trained for attending terrorism related scenarios.

I heard the Ctsfo only take clean headshots!

CTSFO by V1NN13 August 10, 2021

ctfo 

Chill the fuck out

Dayummm cant a brotha just ctfo, he's buggin hardcore

Sometimes Ryan just needs to ctfo

Smh sometimes a brotha just needs to ctfo and foh

ctfo by tobesandezzie October 26, 2010

ctfo 

"chill the fuck out"
Used when a person is speaking to another person over internet or in person to calm them down

Matt: My mom is going to FLIP out when
she sees my chemistry grade!

Ben: Dude, ctfo man, ctfo.

ctfo by AlxCec June 11, 2007

CTSO

CTSO = Cut That Shit Out

can be used in place of STFU in some situations

*KB has signed off.*
*KB has signed on.*
*KB has signed off.*
*KB has signed on.*
Me: CTSO NOOB

CTSO by Teh Alex February 9, 2009

CTFO 

Chill the Fuck Out . Unlike previous postings where "Bryce" from DC has claimed to have invented this word- that is just not true.

CTFO Bryce!

CTFO by dave-FUAD September 5, 2009

CTFO 

Chill the fuck out.

Bro.. ctfo.

CTFO by Belleh Livveh July 10, 2010

ctfo 

Chill the fuck out.

Person 1: I am so mad, omg, I wish I had a gun, shit!

Person 2: Dude, just ctfo.

Person 1: Ok.

ctfo by Lil' chick June 30, 2010