Kept in a pen

• Cooped up at Old MacDonald's
• Penned a pig
• Confined to a pig pen
• Put in a piggery
• Like a pig in a pen
• In a piggery
• Cooped up like pigs
• Kept in a pigpen

Wiktionary Word definitions in Wiktionary
vb. (en-paststy)

WordNet Word definitions in WordNet
n. an infection of the sebaceous gland of the eyelid [syn: stye , hordeolum , eye infection ] a pen for swine [syn: pigsty , pigpen ] [also: stied ]