Pen15?

[Eric Lewis]

What is Pen15? i dont get it? some one asked me if i wanted to join this pen15 club and i said yes and i dont understand

[psychofreak]

I can't tell if this is a joke or not...but look at it closer, and see what word it resembles...

[Scarlet Fever]

replace '15' with 'is'

[adrianblaine]

Substitute "is" for 15. Kind of immature if you ask me. Kids will be kids...