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Noun: Where a male ejaculates and then tries to urinate shortly afterwards causing a blockage in his urethra. This often results in pain and inflammation of the penis head as the combination of spaff and urine can not be released.
"I had a great sex with my girlfriend last night but when I went to the toilet afterwards I ran into a major spaffic jam. I was stuck for 20 minutes!"

"I better pee before I masturbate, I don't want another spaffic jam"
by spaffmaster August 12, 2011
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