1 definition by katieinventedthis

The intricate drawings, reminders, and cheats ballpoint- inked onto one's hand. Often found on the hands of stressed people, bored people, or a combination of the two: students.
Katie was bored in class, you could tell from the fact that her entire hand- front and back- had been pennaed.
by katieinventedthis March 4, 2010
Get the penna mug.