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24.
Threatening, angry, accusatory, entitled and generally mean spirited person usually found inhabiting the blue-collar netherworlds of Long Island and New Jersey (and probably Florida). Union laborers, store owners, police, bosses, government workers, toll booth clerks...usually anyone in a position of power or who controls the actions of others, no matter how minimally, and their tendencies to take out their frustrations with the world on their fellow human beings in a nasty, accusatory, judgemental, vindictive and sometimes violent way. Usually used by people guilty of this trait themselves, as they navigate their sad lives through the sea of like-minded Hard On's they have to interact with daily. Probably derived from the usage of Hard On as penile erection, and the need to gain immediate physical relief from it's urgency in a male, powerful and imposing way.
"Be careful with Rocco at the plumbing supply place, he's a fu**ing Hard On"

"I wouldn't mind scrubbing these toilets if the boss wasn't such a Hard On"

"I know I'm guilty of drunk driving, but that Judge who sentenced me was a real Hard On"
by Jesco July 18, 2005
139 271
 
1.
Erect penis; see: boner
Long Dong Silver could never get a real hard on, because his penis was so long.
by Jorge December 06, 2002
1106 323
 
2.
An erect penis.
see also boner,stiffy etc.
'When Bob saw Jenny by the pool in her bikini he got a big Hard-On'
'When my dog licks my balls i get a Hard-On'
by Disturbed1 November 23, 2003
1148 521
 
3.
Man's most magnificently majestic manifestation of masculinity, and the one potentially most exciting to a woman. It looks like a rocket ready to be launched, and has the same turbulent thrusting force and energy.
It signals to a woman that a guy is ready and able to have sex with her and eager to do so, which, if she finds him attractive, tends to kindle her interest. For that reason, it is a serious though common mistake for a guy to be embarrassed or self-conscious when he has an erection.
Freshman year, after pulling an all-nighter, I stripped and got in bed, only to wake a half hour later with an urgent need to piss. I got up without waking enough to know I was naked, much less that I had wood, and walked down the hall to the bathroom. Only as I walked past the open door of another room down the hall and saw a woman grad student staring at me with wide eyes did I look down and see I was sporting the most giant hard-on I'd ever seen in my life. Afterwards, she kidded a male grad student we were both friends with that I had a better body than he did. He replied, "You've seen more of it than I have."
by Adam Phillips August 18, 2006
889 427
 
4.
the act of the penis getting hard/stimulated/an erection
the boy announces to the class that he has a hardon.
by Holmes December 04, 2002
501 156
 
5.
An erection of the penile variety. Can i say erection on the internet?
Oi, cowboy from the village people! Did the leather man give you a hard on?
by Tom Brownlee July 29, 2003
683 370
 
6.
Slang word for the fast-food chain Hardee's.
Do you want to go to Hardee's, Barfy's, Pizza Slut, or Taco Smell?
by andy1 May 14, 2005
251 101
 
7.
an erected penis (boner, stiffy, chubby)
When she comes over to me, i get a hard on and it dont stop till tomorrow one of these days im gonna cum, IN MAH PANTS
by KawaiiAnime November 22, 2003
577 446