jmac 

A shortened nickname for Senator John McCain.
Influenced by the recent trend for abbreviating celebrity names by using the first letter of the celeb's first name, with the first syllable of the celeb's last name (ie, Jennifer Lopez=Jlo)

Pat: Did you hear John McCain's running for pres?

Ray: Good luck with that, Jmac.

jmac by sp00ki May 5, 2007

Jmac 

The most queer cunt in Geraldton

Oi you know that queer cunt jmac?

Jmac by 6530 November 23, 2021

Jmac award 

NFL Fantasy award given to the person with the 'most retarded trade'.

Refers to Jason McElwain, the magical, three point, shooting autistic water boy.

Brad Johnson for Matt Schaub? Give this guy the Jmac Award.

Jmac award by danielbrowniel October 18, 2008

Jmacdaddy Effect 

An alcoholic drink made by combining Mountain Dew and Malibu

"What happened last night?"
"You had that Jmacdaddy Effect."

Jmacdaddy Effect by Jet$OverEverything March 18, 2010

jmackers 

the ORIGINAL jesse mccartney fans, not this queerass summerland fan shit.

Summerland fan: OMGZ!! BRADIN IZ HAWT!!
Jesse fan: jesse is hot ...
Summerland fan: omg i know!!!11
jesse fan: jmackers rock.
summerland fan: i know, i'm a jmacker..
jesse fan: ... no... no your not. kick's face in.

jmackers by Analeigh January 9, 2005

Jmack Taught Me 

A phrase women throughout the world can use when they've learned something new about their vagina, by the sexgod JfuckingMack.

Jmack taught ya.

Cosmo: where'd you learn that my God ohh oooooooh

Wanda: Jmack taught me oooooh

Cosmo: I need to thank this nigga.

Jmack Taught Me by The real jmack November 10, 2013

Jmacing 

Constantly having one airpod in no matter the time, place or location.

That guy at TAFE always jmacing

Jmacing by DanielHater349856 August 19, 2025