(Slang for hard-on.) 1. A male's most magnificent and majestic display of his virility, when aroused by the sight of a beautiful female or by the thought of sex. 2. The magical transformation of a cock that doubles in size, gets hard as a rock, and stands straight and tall as a soldier at attention. 3. The aroused state of a dick that looks like a huge rocket on a launching pad and feels like a giant stick of dynamite about to explode. 4. Sign to a female who sees or feels it that a male is ready and able to fuck. 5. Opportunity for a guy to show off his magnitude and his potency, when he has one while standing up in front of the class; likely to evoke giggles and blushes from girls, to hide embarrassment at the feelings it arouses.
When she felt my erection as we slow-danced together, she sighed deeply and drew me more tightly to her.
I could feel myself getting an erection as we kissed.
When I saw her standing in her wet bathing suit, I got an erectionso big that my cock stuck out over the top of my trunks. She smiled when she saw it and said, "Looks like somebody's glad to see me!"
by Adam Phillips August 26, 2006
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When your penis has reached its happy time and it sticks out because it wants a piece of the action. :P
He got an erection when he saw that sexy pole dancing chick
by lennythefreakinleopard October 10, 2011
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1. the state marked by a firm form or "erect" position of a male penis or female clitorus which was previously flaccid and currently engorged with blood.
2. an occurance of one such penis or clitorus, usually brough on by sexual arousal.
3. an unwanted side effect of boredom of youths, usually in history class.
4. the process of constructing a building or monumanet.
5. boing!
In 7th grade I got an embarassing erection right as I had to stand up and recite the first 5 amendments in history class. I had to use my thick book to hide my boner as I stood up.
by Bud E Love May 16, 2003
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1. When a man's penis is enlarged due to natural attraction to another person. Men will normally get a hard one after looking at woman who are posing in a manor that is 'stiffening' to a man. See example. Erections are also obtained during sex when fooling around with the opposite gender. However some teenage boys are unable to control this urge and often get an erection in an embarassing situation. Some men get an erection over another man ; this is the sure sign of being gay.

2. A building that has been created - generally through man made resources.
Description 1 : The man got an erection after looking at a semi-naked woman who was sucking her finger seductively.

Description 2 : The erection of the new school had been completed a day earlier than expected.
by Posa-D November 15, 2005
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flesh eating disease that makes the penis much larger, less flexible, gives your semen acid firing powers , and hypnotizes you to think that your enjoying it yet inside you are filled with regret because u forgot to put a your elastic covering
by instafindafailare February 5, 2011
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When a girl is hot as fuck, and your dick gets hard as fuck and becomes erect
Yo dat bitch just bent over, my penis is becoming erect!!!
by BriaN! March 15, 2004
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