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A term used for a man with a strong but fragile boner. Often used for a individual who can't keep a boner for very long.

The act of having a strong but fragile boner. Usually after the first ejaculation.
Man, I have a major glasscock right now.

Ty: Hey dude, did you glasscock last night?
Cullen: Yeah, last night was messed up, after the first round I couldn't seem to keep it up; I was totally glasscocking.
by Jorge Rex August 22, 2019
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Jul 12 Word of the Day
The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.
Message: "i'm free this afternoon so come over and fuck me senseless, my parents will be out all day"
Recipient: Mum
Message Sent
- Onosecond occurs here -
by Jimmed September 26, 2006
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1 - The name of a certain image showing a female golfer kissing a glass, penis-esque trophy. Thought to be seen by pretty much everyone who frequents the internet.
2 - A term used by b3tans to describe a popular link that everyone's seen before.
B3tan 1 -
B3tan 2 - Wow..that is the epitome of glasscock.
by tr1nity December 07, 2004
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'Glasscock' specifically refers to a widely and repeatedly distributed photograph of a woman kissing a glass trophy which, owing to the angle from which it was taken, resembles a large cock.

However, it is commonly used perjoratively to describe any (typically humourous) image or similar file, posted on the Internet, which has previously been widely seen.

Rather than to criticise the image itself, it is intended to insult the person who posted the image for wasting the recipients' time, and for being out-of-date.
by Guinness2702 April 20, 2009
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a web link sent to you in email, or posted on a web-board which everyone and their uncle has seen before
as in the girl kissing the penis-shaped golf trophy
by dai July 17, 2003
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also called a tweaker pipe. Called a glass cock because it resembles a dick (also see "suck glass cock")
lets go suck some glass cock
by mikemikemikemikemike March 31, 2006
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