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An ejaculation occurring while the penis is not erect. This often catches the male off guard and makes a horrible mess
Shit, I didn't see this ereption coming.
by Prince J Albert March 04, 2008
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2
An penis increasing in length and girth for only a short period of time; not long enough for sufficient penetration.
Man I was so close to banging Cherry in thou bed just now. What happened my brother? It was only an ereption Kyle :(
by Chalbyle June 12, 2010
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