Juggling was a form of entertainment.
While at the Time Lord Academy, the First Doctor would skip classes to practice yo-yos and juggling. (PROSE: Match of the Day) Students at the Academy used perigosto sticks to play games of four-dimensional juggling. (PROSE: Seeing I)
On 4 March 1215, a jester juggled for King John, making him laugh. (TV: The King's Demons)
The Sixth Doctor juggled at a village fête in the 1980s. (AUDIO: The Carrionite Curse)
"The Star-Spangled Banner" was gurgled by the Seventh Doctor while juggling to distract IMC troopers on Belial. (PROSE: Lucifer Rising)
The Twelfth Doctor claimed to have juggled in Roman Britain. (TV: The Eaters of Light)