A rhetorical question posed by 3ohBlack that you would ask your friend if you see them talking to a cute guy or girl.
by Legg Star #9 May 31, 2021
Get the Leggin or Nahmug. by fatbluntforcetrauma August 25, 2021
Get the nah he tweakinmug. 
When something is the absolute opposite of lit or fire and you are asked if you like it, this is the response to not liking that thing.
by Jizzyrossdog October 25, 2018
Get the Heckin’ Nahmug. 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. 
by 0815liz August 26, 2021
Get the nah he tweakinmug.