Because he kept running out of the pen.
The farmer had too much of a steak in him to let him go!
Because he was always out standing in his field.
Antelopes
2(pi)r or not 2(pi)r....(snicker)
A Porky-Pine
ME, SECRETLY TRYING TO HARVEST HER INK: Something super scary *I empty my popcorn bucket*
It's mother was in the pen and it didn't know how long the sentence was.
Pen and Oink!
Pennsylvania