More on Pennals from Infoplease:

• Pennalism - Pennalism Fagging, bullying, petty persecution. The pennals or freshmen of the Protestant ...
• Pennals - Pennals [pen-cases ]. So the Freshmen of the Protestant universities of Germany were called, from ...
• Dictionary of Phrase and Fable: P - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "P"