(noun) A reference to male genitalia in the world of computer forums.
Bob- "Dood! I totally Pwn Joo!"
Dave "No man I totally Pwnd Joo!!!"
Sally "Would you guys stop flexing your E-peens?!"
by Alphajonny September 14, 2005
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An electronic dick that has the power to control the entire internet without your command. Very irrational and hard to maintain like a regular boner.
"Suck my fat E-peen" (once sucked you'll gain the entire knowledge of the world)
by usmanisabitch August 31, 2019
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The act of gloating, or rubbing a victory in someones face, without actually doing or saying anything. Can also be silent epeening when the person ahead in the competition will not acknowledge the other participant
Two people are playing a fighting game, one just won the game land-slide. He's doing nothing but sitting there not acknowledging the other person talking to him. "Stop your fucking Silent E-peening you faggot"
by Beecels May 28, 2010
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Internet thug "bootcamp" for assholes. Those who have the biggest e-peen are better than those who don't. People compare e-peen sizes via some odd sort of "flexing" that occurs in which people try to show the other how much better they are by using all capital letters.
Mary Poppins: I CAN FLY MOTHER-FUCKER.

Joe: DAMN YOUR E-PEEN IS HUGE.

In this case, Mary Poppins is showing how he is a master at e-peen flexing.
by SUCKMYCANADA June 20, 2008
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E-peen - Online penis size. Basically online ego, how awesome/respected you are.

E-peen Jousting - A battle of egos online.
An e-peen joust:

Person A: Lol Im a 1337 u84h h4xx0r.
Person B: I can has moar 1337 h4xx than u!
Person C: E-peen jousting ftw!!!!111!!one!1!!one
by Alex H Lololol May 26, 2009
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An e peen refers to pc hardware advantage
I have a core i5 processor
I have the massive e peen with my core i9 processor
by Big Chris M8 5983 June 6, 2019
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