Noun, A person who exhibits such an amazing lack of common sense, you wonder how they even have the brainpower to run even the most basic autonomic functions. Small rodents and credenzas have an intelegence greater than the average peen. (Note: if you know what a credenza is, you, by default, are NOT a peen although it does not make you immune from exhibiting peenish behavior)
On the surface, it seems that many people on Earth today are peens but the title of peen is reserved for those special type of people that invoke an uncontrolable urge to yell or to hit people with sticks. In the United States, it is still illigal to kill, maim or otherwise harm peens although there are some that suggest that if being a peen was painful, people would avoid exhibiting peenish behavior.
Related words:
Peenish and/or Peen-like: used when someone isn't atually a peen but they are exhibiting behaviors that closely resemble that of peens.
See also Muggle
Driver X just tore past me at 85 mph, cut me off and then slowed down to 10 mph under the speed limit. Driver X is a peen.

The total for my fast food order is $5.98. I handed Cashier X $11.00. Casher X handed me back my $1 bill, because Cashier X did not graduate 4th grade math. Cashier X is a peen.
by Fyrewolf Seahawk November 15, 2006
short for penis, mainly used to describe ballers like chris douglas
chris your a peen
by glo November 18, 2002
shortened version of "penis". Can be used in just about any context.

Created when picking flowers in Red Dead Redemption

Josh: so what are you doing?
George: picking these flowers so I can get my 100%
Josh: wow................................ PEEN!
George: wait, what did you just call me?!?!?!?
Wow... What a dumb peen
by masterpeen January 24, 2011
A verb, to poke, pod, or generally touch another perso with yor penis, usually in the face.
Ewww.... I got peened by RJ in the face again!
by Mark January 14, 2004
n. Collectively derived from the male genitalia (penis) and the pinkstink (poon), peen is the spicy term for any given Slim Jim's beefstick. guaranteed to erect your peen in 5 seconds flat or your dignity back.
by PoonPieHouligan August 17, 2003
Term for "penis."

Derived from "penile."
"Suck a peen. :|"
by Anonymous January 20, 2003
mis-used word. not related to wangs in anyway
there is no such word as peen
by peen-war March 09, 2008
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