Top Definition
1. The semen that accumulates and dries underneath one's foreskin after excessive masturbation. It roughly resembles white popcorn kernels.
"Dude, I had all weekend off. No one came by and it was great. That reminds me... Gotta go harvest the fapcorn."
by Mazidisclass October 15, 2009
To masturbate whilst lurking in a sexual conversation
* sexual conversation ensues in a chat room*
* chatters notice a lurker*
-insert creative name here-, is Fapcorning

Past tense - Fapcorned
Present tense - Fapcorning
Person guilty of fapcorning - Fapcorner
by CreativeHandle September 30, 2015
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