This is a phrase you use when something absurd happens and you are about to beat the shit outta whoever did it to you, whether it be a game or not.
Ex 1)
Mark: *Throws the ball between your legs while doing a back flip over you, catching the ball mid-air, mid back flip into a exploding dunk.*
Bobby: Did you really just do that folks?, Nah it's cool...
Ex 2)
Trey: *Perfects the final boss on a fighting game*
Final Boss: Nah, it's cool...
Mark: *Throws the ball between your legs while doing a back flip over you, catching the ball mid-air, mid back flip into a exploding dunk.*
Bobby: Did you really just do that folks?, Nah it's cool...
Ex 2)
Trey: *Perfects the final boss on a fighting game*
Final Boss: Nah, it's cool...
by Seto Kaiba (Fuck Yugi) January 28, 2020
Get the Nah, it's coolmug. Peter Lampropoulos is the definition of cool. Anything that he does or that is similar to him is cool.
..... I am pretty sure that guy is batman.
..... I am pretty sure that guy is batman.
Look how cool Peter Lampropoulos is, everything about him is just awesome. Everyman wants to be him and every woman wants to sleep with him.
by Batmantopgallinone August 31, 2023
Get the Coolmug. 
by Applecat101 November 3, 2022
Get the Coolmug. 
Cool = marlon
by cocksucker1012 June 9, 2019
Get the Coolmug.