When you go out with your girls on the weekend and try to talk to and hook up with as many men as humanly possible.
"Yo Kelsey and Nicole, you wanna go to Brew Pub and slay peen?"
"Well of course, we would love to participate in the slaying of the peen, I'm wearing my cropped top and body necklace, it just screams 'I want to slay the peen' "
"Well of course, we would love to participate in the slaying of the peen, I'm wearing my cropped top and body necklace, it just screams 'I want to slay the peen' "
by DJhousekitty February 13, 2015

Peen Messaging
Typing a text message on a touch screen phone using your penis.
or
See iPeen Messaging: Same as peen messaging only apple iPhone specific.
Typing a text message on a touch screen phone using your penis.
or
See iPeen Messaging: Same as peen messaging only apple iPhone specific.
by Yoyo the king creep and mike4advtr January 13, 2008

Short for micro penis, but is used to describe someone or something that is lame, goofy, or just a straight up douche bag.
That person who just drove by me in that Honda civic with the overly loud exhaust system is a total micro peen!
by Earl Clemintine June 12, 2013

They land on a deserted island that Esme owns and get to hang out in paradise with no one around to witness the SPARKLE PEEN.
by Colorsonthewall June 18, 2009

A name for a micro penis
guy1: BRO IT'S EMINEM
guy2: I heard he had a Lil Peen
guy1: WHAT?
guy2: It mean he's got a micro penis!!
guy2: I heard he had a Lil Peen
guy1: WHAT?
guy2: It mean he's got a micro penis!!
by KingVerneus February 27, 2021

v. used to describe the act of showing off or stroking one's own ego, esp. with regard to computer game prowess.
1337s4v10r: U l00zrz just bitch coz u dont no how 2 play ur toons rite!!!11 lern 2 play, fuktards!!one11
casual_gamer: There's always some asshole e-peening on this forum <ignore button>.
casual_gamer: There's always some asshole e-peening on this forum <ignore button>.
by Jaded, but Dreaming February 18, 2009
