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41.
A condition in males characterized by:

1) a bluish or purplish coloration of a guy's ballbag caused by the settling of blood in the veins in the scrotum, and...

2) sensitivity in the groin area that can range from very erotic to extreme pain.

Blue balls result from repeated stimulation of one's cock for a period of time without getting to orgasm / ejaculation.

Examples include repeatedly jerking off up to the point where one needs to cum; repeatedly receiving head or getting hand jobs from a partner but not cumming. Seriously kissing and fooling around with a (str8 or gay) partner over an extended period of time.
1) I stroked my dick for three hours while watching porn and got blue balls till I hurt so bad I just had to jack off.

2) After a couple hours of deep kissing, playing with her tits, her sucking my cock and me finger-fucking her ass, I had blue balls bad. She looked at me, chuckled and said, "Let me suck you off so you get some relief."
by Guy4u November 16, 2009
 
1.
the excrutiating pain a man receives when his balls swell to the size of coconuts because of lack of sex, unfinished bjs, and just not cummin when he knows he should.

Cure: JUST WACK IT MAN!! or get your woman to help you out and do the job right. It's that simple to make the horrible pain go away.
note to all women,

NEVER NEVER NEVER give your man blue balls...its the worse pain he will ever feel in his life and he never deserves it...well, almost never...
by Sexy Otter January 12, 2004
 
2.
when polly wont finish off your cracker
by charlie watmough March 12, 2003
 
3.
A painful condition when a man has been profoundly sexually stimulated but not allowed to ejaculate, leaving his balls feeling heavy and sore. It is my mission to relieve this unpleasant phenomenon.
His girlfriend had left him with blue balls, so I took pity on him and sucked him off until he came in my mouth. We both felt better after that.
by jezebel July 07, 2005
 
4.
When a guy is driven to extreme sexual arousing without ejaculation.

The effect is a dull pain in the testicles that lasts for at least three hours.

The only cure is to beat one off, but this can also be painful, as it hurts to disturb the area.

The best known method is to simply go to bed and sleep it off.
Sharon rubbed her arse on my cock for ages. She wouldn't shag me, so I went home with blue ball.
by Buccio March 01, 2004
 
5.
arousal of the penis without ejaculation, causing discomfort in the lower abdomen. Similar sensation to being kicked or hit in the tescticles.
She left me with a throbbing boner, man do I hate having blue balls.
by treverotic May 23, 2004
 
6.
Blue balls happens when your with someone, kissing or something, and you are aroused for a long period of time, but you never ejaculate. Your balls may get bigger, or even shrink a little, and there is a slight bluish greyish color sometimes.
The pain is pretty bad. If you walk around, your balls and stomach hurts, but for a long time. It feels like you were kicked in the nuts, like when you get that stomach hurting feeling after being kicked there.
To cure: Have your partner finish you, or (God forbid), you gotta jack off. Without cumming, your balls can hurt for awhile. You gotta be careful not to go to fast because it hurts. IMPORTANT: This is kinda funny, but when you jack off after having blue balls, you will cum SO MUCH!! When I dont got blue balls, I cum like one solid piece, but with bllue balls I shot out like (No kidding), 5 good, solid shots. Be ready. Kinda like a cheap porno.
YOU: After Jenna came over, we kissed for awhile, but she left before we could do it.

FRIEND: Man, that sucks.

YOU: Yeah, and I got a serious case of blue balls.
by Nam Macs July 27, 2006
 
7.
When you're close to orgasm but then you stop cause your parents are coming. Felt in the balls and partially in the taint
Oh ya, here it comes...*walking noises* Oh no my parents *zip*
by Marc December 18, 2003