(Noun)
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.
(Verb)
The act of having a strong but fragile
boner. Usually after the first ejaculation.
(noun)
Man, I have a
major glasscock right now.
(
verb)
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.