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4.
Abbreviation - Hidden agenda cuddles.
Usually used when you are trying to gain something from a parent or significant other, or when you are trying to persuade them to let you do something.
My mom said I wasn't allowed to go to the concert last week, but a week of H.A.C.'s and I finally persuaded her
by TomYaa June 05, 2011
 
1.
HAC
Hot Asian Chick
Goddam that ice skater is a HAC
by LoneStar July 09, 2002
 
2.
HAC
Hidden Agenda Cunt

A person who regularly does things on the sly in an attempt to protect or shield their activities or actions from others. Usually applies to people who flirt with the opposite sex under the radar.
"Hey man did you see Scotty tuning Dazza's missus the other night?"

"Yeah, he was being real sly about it... that bloke is such a HAC"
by legrom October 12, 2009
 
3.
Hot Asian Chick
I'm going out with this H.A.C. tonight
by pennerrocks January 23, 2009
 
5.
Also known as Hate Authority Crew or Hustlers Ambition crew
A local Graffiti crew in Boulder,CO
They are some of the best in Boulder County
Hey man I saw H.A.C. paint at the big wall man they are good
by H.A.C. Member August 05, 2008
 
6.
HAC
Horny as crap, use in the presence of females to not put them off
Joe: Hey how you feeling Dave?

Dave: Im doing okay, but lately since I havent been with a woman I have been HAC like a mofo.
by Aussie ballin March 08, 2010
 
7.
hac
hughes aircraft company Marina Del Rey in california
isa going to hac get's me a hughey chopper, do a flyby watts-tower yo doggs just kickin it in LA....
by itichie_nocanpo October 28, 2006