Top definition
A group of guys, in a circle, executing handstands while simultaneously masturbating. The target is typically a female participant.
"Hey man why is everyone still asleep?"

"We're recovering from last night's circle derf."

"Woa, who was the victim?"

"Your mom."
by Haywood Jublome July 10, 2008
Get the mug
Get a Circle Derf mug for your daughter-in-law Jovana.