look up any word, like smh:
 
39.
The appendage used to penetrate a vagina, causing an embryo, therefore a fetus to pop out in 9 months, which eventually resembles a baby....

baby-maker
bell on a pole
bishop
bratwurst
cock
custard launcher
dick
dickie
ding dong mcdork
dong
donger
dork
dragon
errector
fang
ferret
fire hose
heat-seeking moisture missile
hose
Jimmy
John
John Thomas (dated)
joystick
knob
leaky hose
lingam
little Bob
little Elvis
longfellow
love muscle
manhood
meaty
meat popsicle
member
middle stump
monkey
Mr. Squirked
mushroom head
mutton
old boy
old fellow
old man
one-eyed snake
one-eyed trouser-snake
one-eyed monster
pecker
peepee (children's term)
Percy
peter
piss weasle
prick
private part
purple-helmeted warrior of love
purple-headed yogurt flinger
rod
roundhead
sausage
schlong
schmuck, shmuck (Yiddish)
schwanz
schwarz
short arm
skin flute
tassle
third leg
thumper
todger (Australia, UK)
tonk
tool
trouser snake
tubesteak
wang
wang dudle
wick
willy (children's term)
yingyang
yogurt gun
In front of the whole class, Mrs. Johnson said to her student Johnny, stop mastrubating, or I'll rip off your penis and feed it to little Susie over here
by Adam Goldsteinberger June 04, 2007
 
43.
1. More than one penis.

2. The word you get when you type penis too fast and forget the "s".
1. When Susie crashed the all-boy sleepover, she was hoping all the peni would fit in her.

2. Rick: haha the Giants lost

Bob: suck my peni

Rick: wait you have more than one?

Bob: no you dumbass i forgot to type the s.
by Tikibarberfan March 02, 2010
 
44.
The most magical tool on earth
Dan's penis is so magical that he created new life with it!!
by MonsterMax December 09, 2010
 
45.
Something that 100% of San Francisco males like to suck.
My penis just juiced itself up!!!
by Evster February 10, 2005
 
46.
P.E.N.I.S. Paternal Egg Nourishing Insertion System
The homosapien male fertilizes a female's egg using a PENIS as a means of giving the fallopian tube swim team a head start.
by fiberoptimist January 26, 2008
 
47.
a very rare tool that the girls want and the guys want more of. Also controls 2/3 of the male brain.

the strongest muscle in the human body.
my penis has some sick torque dude, can do almost 350.
 
48.
The most important and playful of all the body parts.
My penis is a zillion times bigger than your penis!
by spike February 06, 2004
 
49.
The plural of and from the term of penis meaning: more than one penis.
"look at those peni"
by anon November 01, 2004