To shove a penis in a vagina and then write in it with pen and continue to like it
Wow! That was some good Pen In
by tIcToK tHoT February 13, 2019
A beer-drinking, intelligent penguin owned by Misato in Neon Genesis Evangelion.

Pen-Pen's role in the series is pretty much nonexistant, but as a beer-drinking intelligent penguin (with a cooling unit on his back to boot), he is automatically one of the coolest characters in the series.
I wish had a penguin like Pen-Pen. i'd drink him under the table
by Tmina January 2, 2006
A warm-water penguin who is the pet of Misato Katsuragi in Neon Genesis Evangelion. He likes to drink Yebisu beer.
Even Pen-Pen doesn't like Misato's cooking.
by Sajak July 11, 2008
pen on pen is when you tickle each others dick with your dick.
subject 1 "we did a Pen on pen last night"
subject 2 "word ong fr"
by stimpdamper November 7, 2022
The only weapon on Earth mightier than the sword.
by flackrat September 24, 2003
pen is a abbreviation of Penitentiary ,

the Penitentiary is a prison , jail
i aint goin back to da pen

im not going back to prison
by DAS November 23, 2003