Oi... it called an erection... It's not a bad word and is much more polite to say than using crass nicknames. Now onto your question.
Guys get erections when they start producing a chemical in their brain, can't think of what it's called right now, which is released whenever they think of subjects such as girl genetilia, sex, them getting pleased by means other than typical vaginal sex, when they are in the company of a "hot" girl, and other things like that . At this point, the chemicals are released and the brain sends hormones throughout the body causing an excess amount of blood to rush to their penis whic causes the tissues in it to because more rigid.
There are also times when there isn't a reason but the brain makes sure everything is working right. This typically happens when they are asleep.
2007-05-01 04:37:28
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answer #1
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answered by nobody045 2
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When the guy is relaxed enough to have an erection. Obviously, his perceptions must be stimulated by some kind of stimulius (girls, girls, girls...). The important thing is that the guy is relaxed. Anxiety tends to oppose it that's why people undergoing lots of stress (playing sports, exams, depression etc.) have a hard time having an erection. Sometimes when the temperature is cold also. Maybe because blood vessels constrict and the blood is more able to concentrate to that part.
2007-05-01 04:38:41
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answer #2
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answered by Anonymous
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A guy gets a hard-on when he's aroused.
Can also happen naturally when he's asleep. The male body automatically test runs the penis at night to keep things in working order.
2007-05-01 04:31:46
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answer #3
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answered by Rob 3
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lol that is so funny... I think the get a hard-on when they see a really hot girl or has a really nice dream :)
2007-05-01 04:29:04
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answer #4
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answered by whoha 1
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When there is an abundance of blood in the tissues that make up his penis.
Typically when hes aroused, however not always.
2007-05-01 04:28:06
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answer #5
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answered by Chris H 5
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when he gets turned on honey. When he gets aroused. It means he wants sex.
Kimimila
2007-05-01 04:28:17
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answer #6
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answered by Fighting Irish Lass 3
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a guy gets a hard on just looking at a girl because he's letting his penis do the talking... bad idea guys!
he likes wut he sees & hopefully he only does this in the bedroom with his girl.
2007-05-02 03:40:33
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answer #7
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answered by Rissa 2
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When an attractive girl makes it happen...
2007-05-01 04:28:12
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answer #8
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answered by Anonymous
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When hes TURNED ON
2007-05-01 04:27:33
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answer #9
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answered by Angel Eve 6
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when they have a girl on them and she dancing on him it puts them to the fullest wanting to have sex in a minute after they come from where they come.
2007-05-01 04:39:18
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answer #10
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answered by tetetweetyanteria 2
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