Pen

Bullpen session, mainly used by baseball players.

"Dude, wanna go out to the bar later?"
"Nah man, I got a pen and then have to ice"

Pen In

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

pen

a writing implement of awesomeness

"I found a pen."
"That is amazing."

Pen

A thing you can use to write things with. Alternate uses include kinky sex and TV repair tool.

"That's a pen"

Pen

Slang and shortform for Penitentiary. Often used in "gangster" terms.

You wanna go to the pen?!

Pen

Short for penetration

"Did he pen you?" - Art

Penning

Slang term for a near professional Magic: The Gathering player that spends a great amount of time honing a spore deck while neglecting others.

"I won again against Chad. He'd have a chance if he wasn't such a Penning."