an erect blood filled penis. brought on my sexual arousion. the average male gets 3 a night while your sleeping. also known as erection, stiffy, chubby, hard on
that guy would stick his boner in anything with a hole
โดย me 14 ธันวาคม 2002
1. Something that occurs when the blood leaves a man's brain and goes to his cock.

2. Something that you hide from your parents when there's a female in the room.
"Dude, have Jessica sit on your lap so your mom doesn't see your boner!"
โดย Vicious Bitch 29 มิถุนายน 2006
erect penis
making out with his girlfriend gave him a boner
โดย Anonymous 16 มิถุนายน 2002
The bane of an adolescent young man's existence. Usually happens during class, normally after eyeing an attractive girl. Extremely embarassing, and when you get one, you'll stick your hand in your pocket to tuck it into your boxers in a futile attempt to avoid discomfort/embarassment. In the worst cases, you'll end up coming in your pants.
Rob: Shit, man I was looking at Samantha in English class, and I got a damn boner, man!

Joe: Did it show?

Rob: It looked like I was hiding a fuckin' fire hydrant in my jeans!

Joey: Shit, dude.
โดย Grand Lizard Theodore 25 กันยายน 2006
A slang term for an erect penis due to sexual stimulation. It is called so because the penis resembles a bone.
The man got a boner because he was looking at Playboy.
โดย Shoot Me Down 19 กันยายน 2005
1)an erect penis
2)what your boyfriend has when you are making out with him or just holding his hand
3)how big you wish your penis was all the time
1)"my penis was so fucking hard last night I had a major boner"
2)sally was making out with johnny and felt his boner poking her.
3)"Man I had a huge boner last night I wish my penis was that big all the time without all the blood in it," Johnny thought to himself.
โดย areon5674 14 กุมภาพันธ์ 2006
an erectile penis, often a sign of arousal
i sat on his lap and holy crap, he had a boner!
โดย packing 27 ธันวาคม 2005

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