Top definition
When you pull a ligament in your knee whilst sleeping. You do this by trapping your foot In a crack and twisting in bed,

'Haha! You're so puny you're a jack Plowman!'
He did a dan spargo, what a retard.
by Banta42069blaze December 08, 2014
Get the mug
Get a dan spargo mug for your guy Julia.